Home / 402,583.07-555,510.90-249,565.52

Finding the Fourth Proportional to 402,583.07, 555,510.90 and 249,565.52

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Solution

The fourth proportional to 402,583.07, 555,510.90 and 249,565.52 is: 344,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,583.07 : 555,510.90 = 249,565.52 : x
  2. Step 2: Convert to fraction form
    402,583.07/555,510.90 = 249,565.52/x
  3. Step 3: Cross multiply
    402,583.07x = 555,510.90 × 249,565.52
  4. Step 4: Simplify right side
    402,583.07x = 138,636,366,624.17
  5. Step 5: Solve for x
    x = 138,636,366,624.17/402,583.07
  6. Step 6: Final answer
    x = 344,367.11

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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.