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Finding the Fourth Proportional to 304,480.40, 456,720.60 and 299,231.60

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Solution

The fourth proportional to 304,480.40, 456,720.60 and 299,231.60 is: 448,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.40 : 456,720.60 = 299,231.60 : x
  2. Step 2: Convert to fraction form
    304,480.40/456,720.60 = 299,231.60/x
  3. Step 3: Cross multiply
    304,480.40x = 456,720.60 × 299,231.60
  4. Step 4: Simplify right side
    304,480.40x = 136,665,235,890.96
  5. Step 5: Solve for x
    x = 136,665,235,890.96/304,480.40
  6. Step 6: Final answer
    x = 448,847.40

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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.