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Finding the Fourth Proportional to 297,008.10, 445,512.15 and 171,036.90

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Solution

The fourth proportional to 297,008.10, 445,512.15 and 171,036.90 is: 256,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,008.10 : 445,512.15 = 171,036.90 : x
  2. Step 2: Convert to fraction form
    297,008.10/445,512.15 = 171,036.90/x
  3. Step 3: Cross multiply
    297,008.10x = 445,512.15 × 171,036.90
  4. Step 4: Simplify right side
    297,008.10x = 76,199,017,048.34
  5. Step 5: Solve for x
    x = 76,199,017,048.34/297,008.10
  6. Step 6: Final answer
    x = 256,555.35

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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.