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Finding the Fourth Proportional to 341,445.80, 511,002.30 and 299,455.40

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Solution

The fourth proportional to 341,445.80, 511,002.30 and 299,455.40 is: 448,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,445.80 : 511,002.30 = 299,455.40 : x
  2. Step 2: Convert to fraction form
    341,445.80/511,002.30 = 299,455.40/x
  3. Step 3: Cross multiply
    341,445.80x = 511,002.30 × 299,455.40
  4. Step 4: Simplify right side
    341,445.80x = 153,022,398,147.42
  5. Step 5: Solve for x
    x = 153,022,398,147.42/341,445.80
  6. Step 6: Final answer
    x = 448,160.14

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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.