Home / 331,215.20-497,152.40-153,762.40

Finding the Fourth Proportional to 331,215.20, 497,152.40 and 153,762.40

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Solution

The fourth proportional to 331,215.20, 497,152.40 and 153,762.40 is: 230,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,215.20 : 497,152.40 = 153,762.40 : x
  2. Step 2: Convert to fraction form
    331,215.20/497,152.40 = 153,762.40/x
  3. Step 3: Cross multiply
    331,215.20x = 497,152.40 × 153,762.40
  4. Step 4: Simplify right side
    331,215.20x = 76,443,346,189.76
  5. Step 5: Solve for x
    x = 76,443,346,189.76/331,215.20
  6. Step 6: Final answer
    x = 230,796.61

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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.