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Finding the Fourth Proportional to 304,158.90, 456,497.55 and 135,938.10

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Solution

The fourth proportional to 304,158.90, 456,497.55 and 135,938.10 is: 204,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,158.90 : 456,497.55 = 135,938.10 : x
  2. Step 2: Convert to fraction form
    304,158.90/456,497.55 = 135,938.10/x
  3. Step 3: Cross multiply
    304,158.90x = 456,497.55 × 135,938.10
  4. Step 4: Simplify right side
    304,158.90x = 62,055,409,601.66
  5. Step 5: Solve for x
    x = 62,055,409,601.66/304,158.90
  6. Step 6: Final answer
    x = 204,022.99

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1.5x scale

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.