Home / 385,190.55-577,742.09-148,513.41

Finding the Fourth Proportional to 385,190.55, 577,742.09 and 148,513.41

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Solution

The fourth proportional to 385,190.55, 577,742.09 and 148,513.41 is: 222,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,190.55 : 577,742.09 = 148,513.41 : x
  2. Step 2: Convert to fraction form
    385,190.55/577,742.09 = 148,513.41/x
  3. Step 3: Cross multiply
    385,190.55x = 577,742.09 × 148,513.41
  4. Step 4: Simplify right side
    385,190.55x = 85,802,447,143.86
  5. Step 5: Solve for x
    x = 85,802,447,143.86/385,190.55
  6. Step 6: Final answer
    x = 222,753.25

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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.