Home / 469,142.06-647,417.18-254,281.91

Finding the Fourth Proportional to 469,142.06, 647,417.18 and 254,281.91

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Solution

The fourth proportional to 469,142.06, 647,417.18 and 254,281.91 is: 350,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,142.06 : 647,417.18 = 254,281.91 : x
  2. Step 2: Convert to fraction form
    469,142.06/647,417.18 = 254,281.91/x
  3. Step 3: Cross multiply
    469,142.06x = 647,417.18 × 254,281.91
  4. Step 4: Simplify right side
    469,142.06x = 164,626,474,495.83
  5. Step 5: Solve for x
    x = 164,626,474,495.83/469,142.06
  6. Step 6: Final answer
    x = 350,909.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.