Home / 374,439.40-561,659.10-187,426.60

Finding the Fourth Proportional to 374,439.40, 561,659.10 and 187,426.60

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Solution

The fourth proportional to 374,439.40, 561,659.10 and 187,426.60 is: 281,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,439.40 : 561,659.10 = 187,426.60 : x
  2. Step 2: Convert to fraction form
    374,439.40/561,659.10 = 187,426.60/x
  3. Step 3: Cross multiply
    374,439.40x = 561,659.10 × 187,426.60
  4. Step 4: Simplify right side
    374,439.40x = 105,269,855,472.06
  5. Step 5: Solve for x
    x = 105,269,855,472.06/374,439.40
  6. Step 6: Final answer
    x = 281,139.90

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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.