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Finding the Fourth Proportional to 508,371.18, 701,552.88 and 282,016.68

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Solution

The fourth proportional to 508,371.18, 701,552.88 and 282,016.68 is: 389,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,371.18 : 701,552.88 = 282,016.68 : x
  2. Step 2: Convert to fraction form
    508,371.18/701,552.88 = 282,016.68/x
  3. Step 3: Cross multiply
    508,371.18x = 701,552.88 × 282,016.68
  4. Step 4: Simplify right side
    508,371.18x = 197,849,614,062.04
  5. Step 5: Solve for x
    x = 197,849,614,062.04/508,371.18
  6. Step 6: Final answer
    x = 389,183.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.