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Finding the Fourth Proportional to 304,132.80, 456,199.20 and 270,307.20

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Solution

The fourth proportional to 304,132.80, 456,199.20 and 270,307.20 is: 405,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,132.80 : 456,199.20 = 270,307.20 : x
  2. Step 2: Convert to fraction form
    304,132.80/456,199.20 = 270,307.20/x
  3. Step 3: Cross multiply
    304,132.80x = 456,199.20 × 270,307.20
  4. Step 4: Simplify right side
    304,132.80x = 123,313,928,394.24
  5. Step 5: Solve for x
    x = 123,313,928,394.24/304,132.80
  6. Step 6: Final answer
    x = 405,460.80

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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.