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Finding the Fourth Proportional to 300,663, 451,031.58 and 98,254.32

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Solution

The fourth proportional to 300,663, 451,031.58 and 98,254.32 is: 147,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,663 : 451,031.58 = 98,254.32 : x
  2. Step 2: Convert to fraction form
    300,663/451,031.58 = 98,254.32/x
  3. Step 3: Cross multiply
    300,663x = 451,031.58 × 98,254.32
  4. Step 4: Simplify right side
    300,663x = 44,315,801,191.43
  5. Step 5: Solve for x
    x = 44,315,801,191.43/300,663
  6. Step 6: Final answer
    x = 147,393.60

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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.