Home / 245,119.48-338,301.71-149,681.23

Finding the Fourth Proportional to 245,119.48, 338,301.71 and 149,681.23

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Solution

The fourth proportional to 245,119.48, 338,301.71 and 149,681.23 is: 206,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,119.48 : 338,301.71 = 149,681.23 : x
  2. Step 2: Convert to fraction form
    245,119.48/338,301.71 = 149,681.23/x
  3. Step 3: Cross multiply
    245,119.48x = 338,301.71 × 149,681.23
  4. Step 4: Simplify right side
    245,119.48x = 50,637,416,063.90
  5. Step 5: Solve for x
    x = 50,637,416,063.90/245,119.48
  6. Step 6: Final answer
    x = 206,582.59

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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.