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Finding the Fourth Proportional to 272,272.86, 375,714.90 and 151,407

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Solution

The fourth proportional to 272,272.86, 375,714.90 and 151,407 is: 208,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,272.86 : 375,714.90 = 151,407 : x
  2. Step 2: Convert to fraction form
    272,272.86/375,714.90 = 151,407/x
  3. Step 3: Cross multiply
    272,272.86x = 375,714.90 × 151,407
  4. Step 4: Simplify right side
    272,272.86x = 56,885,865,864.30
  5. Step 5: Solve for x
    x = 56,885,865,864.30/272,272.86
  6. Step 6: Final answer
    x = 208,929.62

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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.