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Finding the Fourth Proportional to 310,340.40, 465,510.60 and 295,906.20

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Solution

The fourth proportional to 310,340.40, 465,510.60 and 295,906.20 is: 443,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,340.40 : 465,510.60 = 295,906.20 : x
  2. Step 2: Convert to fraction form
    310,340.40/465,510.60 = 295,906.20/x
  3. Step 3: Cross multiply
    310,340.40x = 465,510.60 × 295,906.20
  4. Step 4: Simplify right side
    310,340.40x = 137,747,472,705.72
  5. Step 5: Solve for x
    x = 137,747,472,705.72/310,340.40
  6. Step 6: Final answer
    x = 443,859.30

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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.