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Finding the Fourth Proportional to 273,007.20, 409,510.80 and 243,976.80

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Solution

The fourth proportional to 273,007.20, 409,510.80 and 243,976.80 is: 365,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,007.20 : 409,510.80 = 243,976.80 : x
  2. Step 2: Convert to fraction form
    273,007.20/409,510.80 = 243,976.80/x
  3. Step 3: Cross multiply
    273,007.20x = 409,510.80 × 243,976.80
  4. Step 4: Simplify right side
    273,007.20x = 99,911,134,549.44
  5. Step 5: Solve for x
    x = 99,911,134,549.44/273,007.20
  6. Step 6: Final answer
    x = 365,965.20

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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.