Home / 374,426.20-561,641.70-149,805.40

Finding the Fourth Proportional to 374,426.20, 561,641.70 and 149,805.40

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Solution

The fourth proportional to 374,426.20, 561,641.70 and 149,805.40 is: 224,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,426.20 : 561,641.70 = 149,805.40 : x
  2. Step 2: Convert to fraction form
    374,426.20/561,641.70 = 149,805.40/x
  3. Step 3: Cross multiply
    374,426.20x = 561,641.70 × 149,805.40
  4. Step 4: Simplify right side
    374,426.20x = 84,136,959,525.18
  5. Step 5: Solve for x
    x = 84,136,959,525.18/374,426.20
  6. Step 6: Final answer
    x = 224,709.06

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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.