Home / 323,746.10-485,619.15-304,046.90

Finding the Fourth Proportional to 323,746.10, 485,619.15 and 304,046.90

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Solution

The fourth proportional to 323,746.10, 485,619.15 and 304,046.90 is: 456,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,746.10 : 485,619.15 = 304,046.90 : x
  2. Step 2: Convert to fraction form
    323,746.10/485,619.15 = 304,046.90/x
  3. Step 3: Cross multiply
    323,746.10x = 485,619.15 × 304,046.90
  4. Step 4: Simplify right side
    323,746.10x = 147,650,997,138.14
  5. Step 5: Solve for x
    x = 147,650,997,138.14/323,746.10
  6. Step 6: Final answer
    x = 456,070.35

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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.