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Finding the Fourth Proportional to 286,877.28, 429,922.22 and 181,507.62

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Solution

The fourth proportional to 286,877.28, 429,922.22 and 181,507.62 is: 272,012.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,877.28 : 429,922.22 = 181,507.62 : x
  2. Step 2: Convert to fraction form
    286,877.28/429,922.22 = 181,507.62/x
  3. Step 3: Cross multiply
    286,877.28x = 429,922.22 × 181,507.62
  4. Step 4: Simplify right side
    286,877.28x = 78,034,158,937.32
  5. Step 5: Solve for x
    x = 78,034,158,937.32/286,877.28
  6. Step 6: Final answer
    x = 272,012.34

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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.