Home / 384,818.90-576,839.55-174,607.70

Finding the Fourth Proportional to 384,818.90, 576,839.55 and 174,607.70

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Solution

The fourth proportional to 384,818.90, 576,839.55 and 174,607.70 is: 261,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,818.90 : 576,839.55 = 174,607.70 : x
  2. Step 2: Convert to fraction form
    384,818.90/576,839.55 = 174,607.70/x
  3. Step 3: Cross multiply
    384,818.90x = 576,839.55 × 174,607.70
  4. Step 4: Simplify right side
    384,818.90x = 100,720,627,094.54
  5. Step 5: Solve for x
    x = 100,720,627,094.54/384,818.90
  6. Step 6: Final answer
    x = 261,735.14

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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.