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Finding the Fourth Proportional to 454,065.98, 626,587.14 and 260,463.92

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Solution

The fourth proportional to 454,065.98, 626,587.14 and 260,463.92 is: 359,426.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,065.98 : 626,587.14 = 260,463.92 : x
  2. Step 2: Convert to fraction form
    454,065.98/626,587.14 = 260,463.92/x
  3. Step 3: Cross multiply
    454,065.98x = 626,587.14 × 260,463.92
  4. Step 4: Simplify right side
    454,065.98x = 163,203,342,705.99
  5. Step 5: Solve for x
    x = 163,203,342,705.99/454,065.98
  6. Step 6: Final answer
    x = 359,426.49

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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.