Home / 374,346.90-561,520.35-307,862.10

Finding the Fourth Proportional to 374,346.90, 561,520.35 and 307,862.10

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Solution

The fourth proportional to 374,346.90, 561,520.35 and 307,862.10 is: 461,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,346.90 : 561,520.35 = 307,862.10 : x
  2. Step 2: Convert to fraction form
    374,346.90/561,520.35 = 307,862.10/x
  3. Step 3: Cross multiply
    374,346.90x = 561,520.35 × 307,862.10
  4. Step 4: Simplify right side
    374,346.90x = 172,870,834,143.74
  5. Step 5: Solve for x
    x = 172,870,834,143.74/374,346.90
  6. Step 6: Final answer
    x = 461,793.15

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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.