Home / 208,258.17-312,399.36-58,510.13

Finding the Fourth Proportional to 208,258.17, 312,399.36 and 58,510.13

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Solution

The fourth proportional to 208,258.17, 312,399.36 and 58,510.13 is: 87,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,258.17 : 312,399.36 = 58,510.13 : x
  2. Step 2: Convert to fraction form
    208,258.17/312,399.36 = 58,510.13/x
  3. Step 3: Cross multiply
    208,258.17x = 312,399.36 × 58,510.13
  4. Step 4: Simplify right side
    208,258.17x = 18,278,527,360.77
  5. Step 5: Solve for x
    x = 18,278,527,360.77/208,258.17
  6. Step 6: Final answer
    x = 87,768.60

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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.