Home / 382,389.14-573,067.01-145,602.65

Finding the Fourth Proportional to 382,389.14, 573,067.01 and 145,602.65

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Solution

The fourth proportional to 382,389.14, 573,067.01 and 145,602.65 is: 218,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,389.14 : 573,067.01 = 145,602.65 : x
  2. Step 2: Convert to fraction form
    382,389.14/573,067.01 = 145,602.65/x
  3. Step 3: Cross multiply
    382,389.14x = 573,067.01 × 145,602.65
  4. Step 4: Simplify right side
    382,389.14x = 83,440,073,134.58
  5. Step 5: Solve for x
    x = 83,440,073,134.58/382,389.14
  6. Step 6: Final answer
    x = 218,207.23

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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.