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Finding the Fourth Proportional to 286,280.10, 429,052.95 and 159,920.10

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Solution

The fourth proportional to 286,280.10, 429,052.95 and 159,920.10 is: 239,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,280.10 : 429,052.95 = 159,920.10 : x
  2. Step 2: Convert to fraction form
    286,280.10/429,052.95 = 159,920.10/x
  3. Step 3: Cross multiply
    286,280.10x = 429,052.95 × 159,920.10
  4. Step 4: Simplify right side
    286,280.10x = 68,614,190,669.30
  5. Step 5: Solve for x
    x = 68,614,190,669.30/286,280.10
  6. Step 6: Final answer
    x = 239,675.03

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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.