Home / 614,159.20-921,238.80-314,540.20

Finding the Fourth Proportional to 614,159.20, 921,238.80 and 314,540.20

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Solution

The fourth proportional to 614,159.20, 921,238.80 and 314,540.20 is: 471,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,159.20 : 921,238.80 = 314,540.20 : x
  2. Step 2: Convert to fraction form
    614,159.20/921,238.80 = 314,540.20/x
  3. Step 3: Cross multiply
    614,159.20x = 921,238.80 × 314,540.20
  4. Step 4: Simplify right side
    614,159.20x = 289,766,636,399.76
  5. Step 5: Solve for x
    x = 289,766,636,399.76/614,159.20
  6. Step 6: Final answer
    x = 471,810.30

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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.