Home / 331,319.40-496,979.10-153,767.40

Finding the Fourth Proportional to 331,319.40, 496,979.10 and 153,767.40

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Solution

The fourth proportional to 331,319.40, 496,979.10 and 153,767.40 is: 230,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,319.40 : 496,979.10 = 153,767.40 : x
  2. Step 2: Convert to fraction form
    331,319.40/496,979.10 = 153,767.40/x
  3. Step 3: Cross multiply
    331,319.40x = 496,979.10 × 153,767.40
  4. Step 4: Simplify right side
    331,319.40x = 76,419,184,061.34
  5. Step 5: Solve for x
    x = 76,419,184,061.34/331,319.40
  6. Step 6: Final answer
    x = 230,651.10

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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.