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Finding the Fourth Proportional to 272,927.40, 409,391.10 and 247,995.60

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Solution

The fourth proportional to 272,927.40, 409,391.10 and 247,995.60 is: 371,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,927.40 : 409,391.10 = 247,995.60 : x
  2. Step 2: Convert to fraction form
    272,927.40/409,391.10 = 247,995.60/x
  3. Step 3: Cross multiply
    272,927.40x = 409,391.10 × 247,995.60
  4. Step 4: Simplify right side
    272,927.40x = 101,527,191,479.16
  5. Step 5: Solve for x
    x = 101,527,191,479.16/272,927.40
  6. Step 6: Final answer
    x = 371,993.40

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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.