Home / 469,545.13-647,973.40-254,685.19

Finding the Fourth Proportional to 469,545.13, 647,973.40 and 254,685.19

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Solution

The fourth proportional to 469,545.13, 647,973.40 and 254,685.19 is: 351,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,545.13 : 647,973.40 = 254,685.19 : x
  2. Step 2: Convert to fraction form
    469,545.13/647,973.40 = 254,685.19/x
  3. Step 3: Cross multiply
    469,545.13x = 647,973.40 × 254,685.19
  4. Step 4: Simplify right side
    469,545.13x = 165,029,228,493.95
  5. Step 5: Solve for x
    x = 165,029,228,493.95/469,545.13
  6. Step 6: Final answer
    x = 351,466.17

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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.