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Finding the Fourth Proportional to 441,480, 609,244.56 and 240,276

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Solution

The fourth proportional to 441,480, 609,244.56 and 240,276 is: 331,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,480 : 609,244.56 = 240,276 : x
  2. Step 2: Convert to fraction form
    441,480/609,244.56 = 240,276/x
  3. Step 3: Cross multiply
    441,480x = 609,244.56 × 240,276
  4. Step 4: Simplify right side
    441,480x = 146,386,845,898.56
  5. Step 5: Solve for x
    x = 146,386,845,898.56/441,480
  6. Step 6: Final answer
    x = 331,582.06

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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.