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Finding the Fourth Proportional to 524,669.20, 787,003.80 and 169,719.10

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Solution

The fourth proportional to 524,669.20, 787,003.80 and 169,719.10 is: 254,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,669.20 : 787,003.80 = 169,719.10 : x
  2. Step 2: Convert to fraction form
    524,669.20/787,003.80 = 169,719.10/x
  3. Step 3: Cross multiply
    524,669.20x = 787,003.80 × 169,719.10
  4. Step 4: Simplify right side
    524,669.20x = 133,569,576,632.58
  5. Step 5: Solve for x
    x = 133,569,576,632.58/524,669.20
  6. Step 6: Final answer
    x = 254,578.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.