Home / 245,170.26-338,430.42-154,508.46

Finding the Fourth Proportional to 245,170.26, 338,430.42 and 154,508.46

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Solution

The fourth proportional to 245,170.26, 338,430.42 and 154,508.46 is: 213,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,170.26 : 338,430.42 = 154,508.46 : x
  2. Step 2: Convert to fraction form
    245,170.26/338,430.42 = 154,508.46/x
  3. Step 3: Cross multiply
    245,170.26x = 338,430.42 × 154,508.46
  4. Step 4: Simplify right side
    245,170.26x = 52,290,363,011.35
  5. Step 5: Solve for x
    x = 52,290,363,011.35/245,170.26
  6. Step 6: Final answer
    x = 213,281.84

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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.