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Finding the Fourth Proportional to 304,233.60, 456,350.40 and 291,986.40

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Solution

The fourth proportional to 304,233.60, 456,350.40 and 291,986.40 is: 437,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,233.60 : 456,350.40 = 291,986.40 : x
  2. Step 2: Convert to fraction form
    304,233.60/456,350.40 = 291,986.40/x
  3. Step 3: Cross multiply
    304,233.60x = 456,350.40 × 291,986.40
  4. Step 4: Simplify right side
    304,233.60x = 133,248,110,434.56
  5. Step 5: Solve for x
    x = 133,248,110,434.56/304,233.60
  6. Step 6: Final answer
    x = 437,979.60

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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.