Home / 311,870.19-465,549.26-274,036.31

Finding the Fourth Proportional to 311,870.19, 465,549.26 and 274,036.31

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Solution

The fourth proportional to 311,870.19, 465,549.26 and 274,036.31 is: 409,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,870.19 : 465,549.26 = 274,036.31 : x
  2. Step 2: Convert to fraction form
    311,870.19/465,549.26 = 274,036.31/x
  3. Step 3: Cross multiply
    311,870.19x = 465,549.26 × 274,036.31
  4. Step 4: Simplify right side
    311,870.19x = 127,577,397,635.70
  5. Step 5: Solve for x
    x = 127,577,397,635.70/311,870.19
  6. Step 6: Final answer
    x = 409,072.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.