Home / 442,167.40-610,017.78-272,106.28

Finding the Fourth Proportional to 442,167.40, 610,017.78 and 272,106.28

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Solution

The fourth proportional to 442,167.40, 610,017.78 and 272,106.28 is: 375,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,167.40 : 610,017.78 = 272,106.28 : x
  2. Step 2: Convert to fraction form
    442,167.40/610,017.78 = 272,106.28/x
  3. Step 3: Cross multiply
    442,167.40x = 610,017.78 × 272,106.28
  4. Step 4: Simplify right side
    442,167.40x = 165,989,668,849.66
  5. Step 5: Solve for x
    x = 165,989,668,849.66/442,167.40
  6. Step 6: Final answer
    x = 375,400.06

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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.