Home / 374,187.20-561,353.70-149,509.40

Finding the Fourth Proportional to 374,187.20, 561,353.70 and 149,509.40

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Solution

The fourth proportional to 374,187.20, 561,353.70 and 149,509.40 is: 224,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,187.20 : 561,353.70 = 149,509.40 : x
  2. Step 2: Convert to fraction form
    374,187.20/561,353.70 = 149,509.40/x
  3. Step 3: Cross multiply
    374,187.20x = 561,353.70 × 149,509.40
  4. Step 4: Simplify right side
    374,187.20x = 83,927,654,874.78
  5. Step 5: Solve for x
    x = 83,927,654,874.78/374,187.20
  6. Step 6: Final answer
    x = 224,293.23

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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.