Home / 272,412.29-375,923.80-151,553.20

Finding the Fourth Proportional to 272,412.29, 375,923.80 and 151,553.20

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Solution

The fourth proportional to 272,412.29, 375,923.80 and 151,553.20 is: 209,140.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,412.29 : 375,923.80 = 151,553.20 : x
  2. Step 2: Convert to fraction form
    272,412.29/375,923.80 = 151,553.20/x
  3. Step 3: Cross multiply
    272,412.29x = 375,923.80 × 151,553.20
  4. Step 4: Simplify right side
    272,412.29x = 56,972,454,846.16
  5. Step 5: Solve for x
    x = 56,972,454,846.16/272,412.29
  6. Step 6: Final answer
    x = 209,140.55

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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.