Home / 208,258.13-312,399.29-58,510.10

Finding the Fourth Proportional to 208,258.13, 312,399.29 and 58,510.10

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Solution

The fourth proportional to 208,258.13, 312,399.29 and 58,510.10 is: 87,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,258.13 : 312,399.29 = 58,510.10 : x
  2. Step 2: Convert to fraction form
    208,258.13/312,399.29 = 58,510.10/x
  3. Step 3: Cross multiply
    208,258.13x = 312,399.29 × 58,510.10
  4. Step 4: Simplify right side
    208,258.13x = 18,278,514,625.10
  5. Step 5: Solve for x
    x = 18,278,514,625.10/208,258.13
  6. Step 6: Final answer
    x = 87,768.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.