Home / 330,931.93-496,447.10-153,456.88

Finding the Fourth Proportional to 330,931.93, 496,447.10 and 153,456.88

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Solution

The fourth proportional to 330,931.93, 496,447.10 and 153,456.88 is: 230,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,931.93 : 496,447.10 = 153,456.88 : x
  2. Step 2: Convert to fraction form
    330,931.93/496,447.10 = 153,456.88/x
  3. Step 3: Cross multiply
    330,931.93x = 496,447.10 × 153,456.88
  4. Step 4: Simplify right side
    330,931.93x = 76,183,221,618.11
  5. Step 5: Solve for x
    x = 76,183,221,618.11/330,931.93
  6. Step 6: Final answer
    x = 230,208.13

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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.