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Finding the Fourth Proportional to 272,041.52, 375,409.82 and 151,179.71

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Solution

The fourth proportional to 272,041.52, 375,409.82 and 151,179.71 is: 208,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,041.52 : 375,409.82 = 151,179.71 : x
  2. Step 2: Convert to fraction form
    272,041.52/375,409.82 = 151,179.71/x
  3. Step 3: Cross multiply
    272,041.52x = 375,409.82 × 151,179.71
  4. Step 4: Simplify right side
    272,041.52x = 56,754,345,085.80
  5. Step 5: Solve for x
    x = 56,754,345,085.80/272,041.52
  6. Step 6: Final answer
    x = 208,623.84

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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.