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Finding the Fourth Proportional to 272,176.93, 375,625.11 and 151,328.17

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Solution

The fourth proportional to 272,176.93, 375,625.11 and 151,328.17 is: 208,844.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,176.93 : 375,625.11 = 151,328.17 : x
  2. Step 2: Convert to fraction form
    272,176.93/375,625.11 = 151,328.17/x
  3. Step 3: Cross multiply
    272,176.93x = 375,625.11 × 151,328.17
  4. Step 4: Simplify right side
    272,176.93x = 56,842,660,502.35
  5. Step 5: Solve for x
    x = 56,842,660,502.35/272,176.93
  6. Step 6: Final answer
    x = 208,844.52

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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.