Home / 374,433.60-561,650.40-215,001.30

Finding the Fourth Proportional to 374,433.60, 561,650.40 and 215,001.30

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Solution

The fourth proportional to 374,433.60, 561,650.40 and 215,001.30 is: 322,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,433.60 : 561,650.40 = 215,001.30 : x
  2. Step 2: Convert to fraction form
    374,433.60/561,650.40 = 215,001.30/x
  3. Step 3: Cross multiply
    374,433.60x = 561,650.40 × 215,001.30
  4. Step 4: Simplify right side
    374,433.60x = 120,755,566,145.52
  5. Step 5: Solve for x
    x = 120,755,566,145.52/374,433.60
  6. Step 6: Final answer
    x = 322,501.95

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1.5x scale

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.