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Finding the Fourth Proportional to 460,332.88, 690,056.44 and 235,799.06

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Solution

The fourth proportional to 460,332.88, 690,056.44 and 235,799.06 is: 353,471.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,332.88 : 690,056.44 = 235,799.06 : x
  2. Step 2: Convert to fraction form
    460,332.88/690,056.44 = 235,799.06/x
  3. Step 3: Cross multiply
    460,332.88x = 690,056.44 × 235,799.06
  4. Step 4: Simplify right side
    460,332.88x = 162,714,655,859.17
  5. Step 5: Solve for x
    x = 162,714,655,859.17/460,332.88
  6. Step 6: Final answer
    x = 353,471.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.