Home / 370,131.90-510,812.19-209,026.14

Finding the Fourth Proportional to 370,131.90, 510,812.19 and 209,026.14

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Solution

The fourth proportional to 370,131.90, 510,812.19 and 209,026.14 is: 288,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,131.90 : 510,812.19 = 209,026.14 : x
  2. Step 2: Convert to fraction form
    370,131.90/510,812.19 = 209,026.14/x
  3. Step 3: Cross multiply
    370,131.90x = 510,812.19 × 209,026.14
  4. Step 4: Simplify right side
    370,131.90x = 106,773,100,340.65
  5. Step 5: Solve for x
    x = 106,773,100,340.65/370,131.90
  6. Step 6: Final answer
    x = 288,473.11

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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.