Home / 634,878.18-952,304.94-155,109.15

Finding the Fourth Proportional to 634,878.18, 952,304.94 and 155,109.15

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Solution

The fourth proportional to 634,878.18, 952,304.94 and 155,109.15 is: 232,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,878.18 : 952,304.94 = 155,109.15 : x
  2. Step 2: Convert to fraction form
    634,878.18/952,304.94 = 155,109.15/x
  3. Step 3: Cross multiply
    634,878.18x = 952,304.94 × 155,109.15
  4. Step 4: Simplify right side
    634,878.18x = 147,711,209,784.20
  5. Step 5: Solve for x
    x = 147,711,209,784.20/634,878.18
  6. Step 6: Final answer
    x = 232,660.71

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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.