Home / 356,265.02-534,432.66-103,547.72

Finding the Fourth Proportional to 356,265.02, 534,432.66 and 103,547.72

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Solution

The fourth proportional to 356,265.02, 534,432.66 and 103,547.72 is: 155,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,265.02 : 534,432.66 = 103,547.72 : x
  2. Step 2: Convert to fraction form
    356,265.02/534,432.66 = 103,547.72/x
  3. Step 3: Cross multiply
    356,265.02x = 534,432.66 × 103,547.72
  4. Step 4: Simplify right side
    356,265.02x = 55,339,283,436.54
  5. Step 5: Solve for x
    x = 55,339,283,436.54/356,265.02
  6. Step 6: Final answer
    x = 155,331.79

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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.