Home / 270,340.18-373,054.40-149,474.21

Finding the Fourth Proportional to 270,340.18, 373,054.40 and 149,474.21

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Solution

The fourth proportional to 270,340.18, 373,054.40 and 149,474.21 is: 206,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,340.18 : 373,054.40 = 149,474.21 : x
  2. Step 2: Convert to fraction form
    270,340.18/373,054.40 = 149,474.21/x
  3. Step 3: Cross multiply
    270,340.18x = 373,054.40 × 149,474.21
  4. Step 4: Simplify right side
    270,340.18x = 55,762,010,979.65
  5. Step 5: Solve for x
    x = 55,762,010,979.65/270,340.18
  6. Step 6: Final answer
    x = 206,266.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.