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Finding the Fourth Proportional to 304,327.10, 456,490.65 and 299,078.30

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Solution

The fourth proportional to 304,327.10, 456,490.65 and 299,078.30 is: 448,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,327.10 : 456,490.65 = 299,078.30 : x
  2. Step 2: Convert to fraction form
    304,327.10/456,490.65 = 299,078.30/x
  3. Step 3: Cross multiply
    304,327.10x = 456,490.65 × 299,078.30
  4. Step 4: Simplify right side
    304,327.10x = 136,526,447,567.90
  5. Step 5: Solve for x
    x = 136,526,447,567.90/304,327.10
  6. Step 6: Final answer
    x = 448,617.45

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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.