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Finding the Fourth Proportional to 331,032.30, 496,807.65 and 153,561.30

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Solution

The fourth proportional to 331,032.30, 496,807.65 and 153,561.30 is: 230,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,032.30 : 496,807.65 = 153,561.30 : x
  2. Step 2: Convert to fraction form
    331,032.30/496,807.65 = 153,561.30/x
  3. Step 3: Cross multiply
    331,032.30x = 496,807.65 × 153,561.30
  4. Step 4: Simplify right side
    331,032.30x = 76,290,428,583.95
  5. Step 5: Solve for x
    x = 76,290,428,583.95/331,032.30
  6. Step 6: Final answer
    x = 230,462.19

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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.