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Finding the Fourth Proportional to 330,317.65, 495,486.72 and 157,171.42

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Solution

The fourth proportional to 330,317.65, 495,486.72 and 157,171.42 is: 235,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,317.65 : 495,486.72 = 157,171.42 : x
  2. Step 2: Convert to fraction form
    330,317.65/495,486.72 = 157,171.42/x
  3. Step 3: Cross multiply
    330,317.65x = 495,486.72 × 157,171.42
  4. Step 4: Simplify right side
    330,317.65x = 77,876,351,373.54
  5. Step 5: Solve for x
    x = 77,876,351,373.54/330,317.65
  6. Step 6: Final answer
    x = 235,762.00

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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.