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Finding the Fourth Proportional to 286,227.91, 429,343.35 and 167,816.21

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Solution

The fourth proportional to 286,227.91, 429,343.35 and 167,816.21 is: 251,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,227.91 : 429,343.35 = 167,816.21 : x
  2. Step 2: Convert to fraction form
    286,227.91/429,343.35 = 167,816.21/x
  3. Step 3: Cross multiply
    286,227.91x = 429,343.35 × 167,816.21
  4. Step 4: Simplify right side
    286,227.91x = 72,050,773,785.70
  5. Step 5: Solve for x
    x = 72,050,773,785.70/286,227.91
  6. Step 6: Final answer
    x = 251,725.19

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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.