Home / 284,225.52-426,087.40-115,886.66

Finding the Fourth Proportional to 284,225.52, 426,087.40 and 115,886.66

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Solution

The fourth proportional to 284,225.52, 426,087.40 and 115,886.66 is: 173,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,225.52 : 426,087.40 = 115,886.66 : x
  2. Step 2: Convert to fraction form
    284,225.52/426,087.40 = 115,886.66/x
  3. Step 3: Cross multiply
    284,225.52x = 426,087.40 × 115,886.66
  4. Step 4: Simplify right side
    284,225.52x = 49,377,845,654.08
  5. Step 5: Solve for x
    x = 49,377,845,654.08/284,225.52
  6. Step 6: Final answer
    x = 173,727.70

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1.5x scale

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.