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Finding the Fourth Proportional to 310,610.63, 465,926.36 and 85,952.27

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Solution

The fourth proportional to 310,610.63, 465,926.36 and 85,952.27 is: 128,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,610.63 : 465,926.36 = 85,952.27 : x
  2. Step 2: Convert to fraction form
    310,610.63/465,926.36 = 85,952.27/x
  3. Step 3: Cross multiply
    310,610.63x = 465,926.36 × 85,952.27
  4. Step 4: Simplify right side
    310,610.63x = 40,047,425,535.44
  5. Step 5: Solve for x
    x = 40,047,425,535.44/310,610.63
  6. Step 6: Final answer
    x = 128,931.28

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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.