Home / 238,569.39-329,088.49-143,020.58

Finding the Fourth Proportional to 238,569.39, 329,088.49 and 143,020.58

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Solution

The fourth proportional to 238,569.39, 329,088.49 and 143,020.58 is: 197,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,569.39 : 329,088.49 = 143,020.58 : x
  2. Step 2: Convert to fraction form
    238,569.39/329,088.49 = 143,020.58/x
  3. Step 3: Cross multiply
    238,569.39x = 329,088.49 × 143,020.58
  4. Step 4: Simplify right side
    238,569.39x = 47,066,424,708.13
  5. Step 5: Solve for x
    x = 47,066,424,708.13/238,569.39
  6. Step 6: Final answer
    x = 197,286.10

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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.