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Finding the Fourth Proportional to 440,316.71, 660,266.85 and 170,571.18

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Solution

The fourth proportional to 440,316.71, 660,266.85 and 170,571.18 is: 255,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,316.71 : 660,266.85 = 170,571.18 : x
  2. Step 2: Convert to fraction form
    440,316.71/660,266.85 = 170,571.18/x
  3. Step 3: Cross multiply
    440,316.71x = 660,266.85 × 170,571.18
  4. Step 4: Simplify right side
    440,316.71x = 112,622,495,719.38
  5. Step 5: Solve for x
    x = 112,622,495,719.38/440,316.71
  6. Step 6: Final answer
    x = 255,776.11

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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.