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Finding the Fourth Proportional to 431,300.64, 595,186.96 and 240,309.92

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Solution

The fourth proportional to 431,300.64, 595,186.96 and 240,309.92 is: 331,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,300.64 : 595,186.96 = 240,309.92 : x
  2. Step 2: Convert to fraction form
    431,300.64/595,186.96 = 240,309.92/x
  3. Step 3: Cross multiply
    431,300.64x = 595,186.96 × 240,309.92
  4. Step 4: Simplify right side
    431,300.64x = 143,029,330,742.64
  5. Step 5: Solve for x
    x = 143,029,330,742.64/431,300.64
  6. Step 6: Final answer
    x = 331,623.27

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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.