Home / 372,588.21-558,545.27-135,875.43

Finding the Fourth Proportional to 372,588.21, 558,545.27 and 135,875.43

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Solution

The fourth proportional to 372,588.21, 558,545.27 and 135,875.43 is: 203,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,588.21 : 558,545.27 = 135,875.43 : x
  2. Step 2: Convert to fraction form
    372,588.21/558,545.27 = 135,875.43/x
  3. Step 3: Cross multiply
    372,588.21x = 558,545.27 × 135,875.43
  4. Step 4: Simplify right side
    372,588.21x = 75,892,578,056.34
  5. Step 5: Solve for x
    x = 75,892,578,056.34/372,588.21
  6. Step 6: Final answer
    x = 203,690.23

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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.