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Finding the Fourth Proportional to 155,041.60, 232,562.40 and 55,314.40

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Solution

The fourth proportional to 155,041.60, 232,562.40 and 55,314.40 is: 82,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,041.60 : 232,562.40 = 55,314.40 : x
  2. Step 2: Convert to fraction form
    155,041.60/232,562.40 = 55,314.40/x
  3. Step 3: Cross multiply
    155,041.60x = 232,562.40 × 55,314.40
  4. Step 4: Simplify right side
    155,041.60x = 12,864,049,618.56
  5. Step 5: Solve for x
    x = 12,864,049,618.56/155,041.60
  6. Step 6: Final answer
    x = 82,971.60

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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.