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Finding the Fourth Proportional to 275,522.08, 412,888.80 and 156,948.40

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Solution

The fourth proportional to 275,522.08, 412,888.80 and 156,948.40 is: 235,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,522.08 : 412,888.80 = 156,948.40 : x
  2. Step 2: Convert to fraction form
    275,522.08/412,888.80 = 156,948.40/x
  3. Step 3: Cross multiply
    275,522.08x = 412,888.80 × 156,948.40
  4. Step 4: Simplify right side
    275,522.08x = 64,802,236,537.92
  5. Step 5: Solve for x
    x = 64,802,236,537.92/275,522.08
  6. Step 6: Final answer
    x = 235,197.98

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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.