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Finding the Fourth Proportional to 655,437.09, 983,392.41 and 229,035.88

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Solution

The fourth proportional to 655,437.09, 983,392.41 and 229,035.88 is: 343,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,437.09 : 983,392.41 = 229,035.88 : x
  2. Step 2: Convert to fraction form
    655,437.09/983,392.41 = 229,035.88/x
  3. Step 3: Cross multiply
    655,437.09x = 983,392.41 × 229,035.88
  4. Step 4: Simplify right side
    655,437.09x = 225,232,146,009.67
  5. Step 5: Solve for x
    x = 225,232,146,009.67/655,437.09
  6. Step 6: Final answer
    x = 343,636.56

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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.