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Finding the Fourth Proportional to 310,496.72, 465,748.04 and 170,178.80

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Solution

The fourth proportional to 310,496.72, 465,748.04 and 170,178.80 is: 255,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,496.72 : 465,748.04 = 170,178.80 : x
  2. Step 2: Convert to fraction form
    310,496.72/465,748.04 = 170,178.80/x
  3. Step 3: Cross multiply
    310,496.72x = 465,748.04 × 170,178.80
  4. Step 4: Simplify right side
    310,496.72x = 79,260,442,549.55
  5. Step 5: Solve for x
    x = 79,260,442,549.55/310,496.72
  6. Step 6: Final answer
    x = 255,269.82

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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.