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Finding the Fourth Proportional to 194,484.25, 291,775.61 and 54,242.88

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Solution

The fourth proportional to 194,484.25, 291,775.61 and 54,242.88 is: 81,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,484.25 : 291,775.61 = 54,242.88 : x
  2. Step 2: Convert to fraction form
    194,484.25/291,775.61 = 54,242.88/x
  3. Step 3: Cross multiply
    194,484.25x = 291,775.61 × 54,242.88
  4. Step 4: Simplify right side
    194,484.25x = 15,826,749,400.16
  5. Step 5: Solve for x
    x = 15,826,749,400.16/194,484.25
  6. Step 6: Final answer
    x = 81,378.05

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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.