Home / 245,266.60-338,590.38-160,513.12

Finding the Fourth Proportional to 245,266.60, 338,590.38 and 160,513.12

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Solution

The fourth proportional to 245,266.60, 338,590.38 and 160,513.12 is: 221,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,266.60 : 338,590.38 = 160,513.12 : x
  2. Step 2: Convert to fraction form
    245,266.60/338,590.38 = 160,513.12/x
  3. Step 3: Cross multiply
    245,266.60x = 338,590.38 × 160,513.12
  4. Step 4: Simplify right side
    245,266.60x = 54,348,198,295.79
  5. Step 5: Solve for x
    x = 54,348,198,295.79/245,266.60
  6. Step 6: Final answer
    x = 221,588.26

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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.