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Finding the Fourth Proportional to 649,559.58, 974,276.72 and 200,159.78

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Solution

The fourth proportional to 649,559.58, 974,276.72 and 200,159.78 is: 300,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,559.58 : 974,276.72 = 200,159.78 : x
  2. Step 2: Convert to fraction form
    649,559.58/974,276.72 = 200,159.78/x
  3. Step 3: Cross multiply
    649,559.58x = 974,276.72 × 200,159.78
  4. Step 4: Simplify right side
    649,559.58x = 195,011,017,314.67
  5. Step 5: Solve for x
    x = 195,011,017,314.67/649,559.58
  6. Step 6: Final answer
    x = 300,220.37

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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.