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Finding the Fourth Proportional to 272,159.69, 375,593.18 and 151,302.98

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Solution

The fourth proportional to 272,159.69, 375,593.18 and 151,302.98 is: 208,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,159.69 : 375,593.18 = 151,302.98 : x
  2. Step 2: Convert to fraction form
    272,159.69/375,593.18 = 151,302.98/x
  3. Step 3: Cross multiply
    272,159.69x = 375,593.18 × 151,302.98
  4. Step 4: Simplify right side
    272,159.69x = 56,828,367,401.68
  5. Step 5: Solve for x
    x = 56,828,367,401.68/272,159.69
  6. Step 6: Final answer
    x = 208,805.23

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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.