Home / 382,156.04-573,315.56-129,427.69

Finding the Fourth Proportional to 382,156.04, 573,315.56 and 129,427.69

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Solution

The fourth proportional to 382,156.04, 573,315.56 and 129,427.69 is: 194,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,156.04 : 573,315.56 = 129,427.69 : x
  2. Step 2: Convert to fraction form
    382,156.04/573,315.56 = 129,427.69/x
  3. Step 3: Cross multiply
    382,156.04x = 573,315.56 × 129,427.69
  4. Step 4: Simplify right side
    382,156.04x = 74,202,905,451.07
  5. Step 5: Solve for x
    x = 74,202,905,451.07/382,156.04
  6. Step 6: Final answer
    x = 194,169.13

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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.