Home / 402,761.03-555,671.90-249,744.16

Finding the Fourth Proportional to 402,761.03, 555,671.90 and 249,744.16

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Solution

The fourth proportional to 402,761.03, 555,671.90 and 249,744.16 is: 344,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,761.03 : 555,671.90 = 249,744.16 : x
  2. Step 2: Convert to fraction form
    402,761.03/555,671.90 = 249,744.16/x
  3. Step 3: Cross multiply
    402,761.03x = 555,671.90 × 249,744.16
  4. Step 4: Simplify right side
    402,761.03x = 138,775,811,815.24
  5. Step 5: Solve for x
    x = 138,775,811,815.24/402,761.03
  6. Step 6: Final answer
    x = 344,561.17

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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.