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Finding the Fourth Proportional to 304,597.12, 456,944.64 and 104,868.40

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Solution

The fourth proportional to 304,597.12, 456,944.64 and 104,868.40 is: 157,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,597.12 : 456,944.64 = 104,868.40 : x
  2. Step 2: Convert to fraction form
    304,597.12/456,944.64 = 104,868.40/x
  3. Step 3: Cross multiply
    304,597.12x = 456,944.64 × 104,868.40
  4. Step 4: Simplify right side
    304,597.12x = 47,919,053,285.38
  5. Step 5: Solve for x
    x = 47,919,053,285.38/304,597.12
  6. Step 6: Final answer
    x = 157,319.46

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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.