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Finding the Fourth Proportional to 304,414.40, 456,686.40 and 94,073.60

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Solution

The fourth proportional to 304,414.40, 456,686.40 and 94,073.60 is: 141,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,414.40 : 456,686.40 = 94,073.60 : x
  2. Step 2: Convert to fraction form
    304,414.40/456,686.40 = 94,073.60/x
  3. Step 3: Cross multiply
    304,414.40x = 456,686.40 × 94,073.60
  4. Step 4: Simplify right side
    304,414.40x = 42,962,133,719.04
  5. Step 5: Solve for x
    x = 42,962,133,719.04/304,414.40
  6. Step 6: Final answer
    x = 141,130.43

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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.