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Finding the Fourth Proportional to 431,304.48, 595,218.48 and 240,318

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Solution

The fourth proportional to 431,304.48, 595,218.48 and 240,318 is: 331,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,304.48 : 595,218.48 = 240,318 : x
  2. Step 2: Convert to fraction form
    431,304.48/595,218.48 = 240,318/x
  3. Step 3: Cross multiply
    431,304.48x = 595,218.48 × 240,318
  4. Step 4: Simplify right side
    431,304.48x = 143,041,714,676.64
  5. Step 5: Solve for x
    x = 143,041,714,676.64/431,304.48
  6. Step 6: Final answer
    x = 331,649.04

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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.