Home / 372,901.36-514,565.52-209,531.92

Finding the Fourth Proportional to 372,901.36, 514,565.52 and 209,531.92

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Solution

The fourth proportional to 372,901.36, 514,565.52 and 209,531.92 is: 289,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,901.36 : 514,565.52 = 209,531.92 : x
  2. Step 2: Convert to fraction form
    372,901.36/514,565.52 = 209,531.92/x
  3. Step 3: Cross multiply
    372,901.36x = 514,565.52 × 209,531.92
  4. Step 4: Simplify right side
    372,901.36x = 107,817,901,371.40
  5. Step 5: Solve for x
    x = 107,817,901,371.40/372,901.36
  6. Step 6: Final answer
    x = 289,132.50

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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.