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Finding the Fourth Proportional to 454,293.63, 626,929.35 and 250,351.86

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Solution

The fourth proportional to 454,293.63, 626,929.35 and 250,351.86 is: 345,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,293.63 : 626,929.35 = 250,351.86 : x
  2. Step 2: Convert to fraction form
    454,293.63/626,929.35 = 250,351.86/x
  3. Step 3: Cross multiply
    454,293.63x = 626,929.35 × 250,351.86
  4. Step 4: Simplify right side
    454,293.63x = 156,952,931,153.39
  5. Step 5: Solve for x
    x = 156,952,931,153.39/454,293.63
  6. Step 6: Final answer
    x = 345,487.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.