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Finding the Fourth Proportional to 524,866.70, 787,376.85 and 169,820.30

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Solution

The fourth proportional to 524,866.70, 787,376.85 and 169,820.30 is: 254,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,866.70 : 787,376.85 = 169,820.30 : x
  2. Step 2: Convert to fraction form
    524,866.70/787,376.85 = 169,820.30/x
  3. Step 3: Cross multiply
    524,866.70x = 787,376.85 × 169,820.30
  4. Step 4: Simplify right side
    524,866.70x = 133,712,572,880.06
  5. Step 5: Solve for x
    x = 133,712,572,880.06/524,866.70
  6. Step 6: Final answer
    x = 254,755.30

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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.