Home / 331,014.40-496,132.77-153,145.72

Finding the Fourth Proportional to 331,014.40, 496,132.77 and 153,145.72

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Solution

The fourth proportional to 331,014.40, 496,132.77 and 153,145.72 is: 229,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,014.40 : 496,132.77 = 153,145.72 : x
  2. Step 2: Convert to fraction form
    331,014.40/496,132.77 = 153,145.72/x
  3. Step 3: Cross multiply
    331,014.40x = 496,132.77 × 153,145.72
  4. Step 4: Simplify right side
    331,014.40x = 75,980,610,277.24
  5. Step 5: Solve for x
    x = 75,980,610,277.24/331,014.40
  6. Step 6: Final answer
    x = 229,538.69

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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.