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Finding the Fourth Proportional to 286,545.84, 429,228.09 and 167,857.32

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Solution

The fourth proportional to 286,545.84, 429,228.09 and 167,857.32 is: 251,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,545.84 : 429,228.09 = 167,857.32 : x
  2. Step 2: Convert to fraction form
    286,545.84/429,228.09 = 167,857.32/x
  3. Step 3: Cross multiply
    286,545.84x = 429,228.09 × 167,857.32
  4. Step 4: Simplify right side
    286,545.84x = 72,049,076,856.12
  5. Step 5: Solve for x
    x = 72,049,076,856.12/286,545.84
  6. Step 6: Final answer
    x = 251,439.97

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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.