Home / 352,513.31-486,417.04-201,581.15

Finding the Fourth Proportional to 352,513.31, 486,417.04 and 201,581.15

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Solution

The fourth proportional to 352,513.31, 486,417.04 and 201,581.15 is: 278,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513.31 : 486,417.04 = 201,581.15 : x
  2. Step 2: Convert to fraction form
    352,513.31/486,417.04 = 201,581.15/x
  3. Step 3: Cross multiply
    352,513.31x = 486,417.04 × 201,581.15
  4. Step 4: Simplify right side
    352,513.31x = 98,052,502,862.81
  5. Step 5: Solve for x
    x = 98,052,502,862.81/352,513.31
  6. Step 6: Final answer
    x = 278,152.63

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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.