Home / 272,306.86-375,754.66-151,428.60

Finding the Fourth Proportional to 272,306.86, 375,754.66 and 151,428.60

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Solution

The fourth proportional to 272,306.86, 375,754.66 and 151,428.60 is: 208,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,306.86 : 375,754.66 = 151,428.60 : x
  2. Step 2: Convert to fraction form
    272,306.86/375,754.66 = 151,428.60/x
  3. Step 3: Cross multiply
    272,306.86x = 375,754.66 × 151,428.60
  4. Step 4: Simplify right side
    272,306.86x = 56,900,002,107.28
  5. Step 5: Solve for x
    x = 56,900,002,107.28/272,306.86
  6. Step 6: Final answer
    x = 208,955.45

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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.