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Finding the Fourth Proportional to 310,042.60, 465,063.90 and 295,280.35

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Solution

The fourth proportional to 310,042.60, 465,063.90 and 295,280.35 is: 442,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,042.60 : 465,063.90 = 295,280.35 : x
  2. Step 2: Convert to fraction form
    310,042.60/465,063.90 = 295,280.35/x
  3. Step 3: Cross multiply
    310,042.60x = 465,063.90 × 295,280.35
  4. Step 4: Simplify right side
    310,042.60x = 137,324,231,164.37
  5. Step 5: Solve for x
    x = 137,324,231,164.37/310,042.60
  6. Step 6: Final answer
    x = 442,920.53

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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.