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Finding the Fourth Proportional to 310,575.10, 465,905.85 and 133,080.70

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Solution

The fourth proportional to 310,575.10, 465,905.85 and 133,080.70 is: 199,639.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,575.10 : 465,905.85 = 133,080.70 : x
  2. Step 2: Convert to fraction form
    310,575.10/465,905.85 = 133,080.70/x
  3. Step 3: Cross multiply
    310,575.10x = 465,905.85 × 133,080.70
  4. Step 4: Simplify right side
    310,575.10x = 62,003,076,652.10
  5. Step 5: Solve for x
    x = 62,003,076,652.10/310,575.10
  6. Step 6: Final answer
    x = 199,639.56

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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.