Home / 385,239.90-577,885.21-100,937.41

Finding the Fourth Proportional to 385,239.90, 577,885.21 and 100,937.41

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Solution

The fourth proportional to 385,239.90, 577,885.21 and 100,937.41 is: 151,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,239.90 : 577,885.21 = 100,937.41 : x
  2. Step 2: Convert to fraction form
    385,239.90/577,885.21 = 100,937.41/x
  3. Step 3: Cross multiply
    385,239.90x = 577,885.21 × 100,937.41
  4. Step 4: Simplify right side
    385,239.90x = 58,330,236,374.71
  5. Step 5: Solve for x
    x = 58,330,236,374.71/385,239.90
  6. Step 6: Final answer
    x = 151,412.76

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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.