Home / 397,426.04-548,255.20-236,166.98

Finding the Fourth Proportional to 397,426.04, 548,255.20 and 236,166.98

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Solution

The fourth proportional to 397,426.04, 548,255.20 and 236,166.98 is: 325,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,426.04 : 548,255.20 = 236,166.98 : x
  2. Step 2: Convert to fraction form
    397,426.04/548,255.20 = 236,166.98/x
  3. Step 3: Cross multiply
    397,426.04x = 548,255.20 × 236,166.98
  4. Step 4: Simplify right side
    397,426.04x = 129,479,774,853.30
  5. Step 5: Solve for x
    x = 129,479,774,853.30/397,426.04
  6. Step 6: Final answer
    x = 325,795.90

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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.