Home / 331,017.40-496,137.30-153,148.69

Finding the Fourth Proportional to 331,017.40, 496,137.30 and 153,148.69

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Solution

The fourth proportional to 331,017.40, 496,137.30 and 153,148.69 is: 229,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,017.40 : 496,137.30 = 153,148.69 : x
  2. Step 2: Convert to fraction form
    331,017.40/496,137.30 = 153,148.69/x
  3. Step 3: Cross multiply
    331,017.40x = 496,137.30 × 153,148.69
  4. Step 4: Simplify right side
    331,017.40x = 75,982,777,555.14
  5. Step 5: Solve for x
    x = 75,982,777,555.14/331,017.40
  6. Step 6: Final answer
    x = 229,543.15

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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.