Home / 304,670.10-457,005.15-80,015.70

Finding the Fourth Proportional to 304,670.10, 457,005.15 and 80,015.70

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Solution

The fourth proportional to 304,670.10, 457,005.15 and 80,015.70 is: 120,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,670.10 : 457,005.15 = 80,015.70 : x
  2. Step 2: Convert to fraction form
    304,670.10/457,005.15 = 80,015.70/x
  3. Step 3: Cross multiply
    304,670.10x = 457,005.15 × 80,015.70
  4. Step 4: Simplify right side
    304,670.10x = 36,567,586,980.86
  5. Step 5: Solve for x
    x = 36,567,586,980.86/304,670.10
  6. Step 6: Final answer
    x = 120,023.55

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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.