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Finding the Fourth Proportional to 319,525.38, 478,795.38 and 157,233.12

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Solution

The fourth proportional to 319,525.38, 478,795.38 and 157,233.12 is: 235,607.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,525.38 : 478,795.38 = 157,233.12 : x
  2. Step 2: Convert to fraction form
    319,525.38/478,795.38 = 157,233.12/x
  3. Step 3: Cross multiply
    319,525.38x = 478,795.38 × 157,233.12
  4. Step 4: Simplify right side
    319,525.38x = 75,282,491,438.99
  5. Step 5: Solve for x
    x = 75,282,491,438.99/319,525.38
  6. Step 6: Final answer
    x = 235,607.24

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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.