Home / 245,588.38-338,787.90-143,547.17

Finding the Fourth Proportional to 245,588.38, 338,787.90 and 143,547.17

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Solution

The fourth proportional to 245,588.38, 338,787.90 and 143,547.17 is: 198,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,588.38 : 338,787.90 = 143,547.17 : x
  2. Step 2: Convert to fraction form
    245,588.38/338,787.90 = 143,547.17/x
  3. Step 3: Cross multiply
    245,588.38x = 338,787.90 × 143,547.17
  4. Step 4: Simplify right side
    245,588.38x = 48,632,044,544.39
  5. Step 5: Solve for x
    x = 48,632,044,544.39/245,588.38
  6. Step 6: Final answer
    x = 198,022.58

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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.