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Finding the Fourth Proportional to 508,750.20, 702,040.14 and 282,377.88

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Solution

The fourth proportional to 508,750.20, 702,040.14 and 282,377.88 is: 389,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,750.20 : 702,040.14 = 282,377.88 : x
  2. Step 2: Convert to fraction form
    508,750.20/702,040.14 = 282,377.88/x
  3. Step 3: Cross multiply
    508,750.20x = 702,040.14 × 282,377.88
  4. Step 4: Simplify right side
    508,750.20x = 198,240,606,408.10
  5. Step 5: Solve for x
    x = 198,240,606,408.10/508,750.20
  6. Step 6: Final answer
    x = 389,661.97

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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.