Home / 276,870.07-382,080.96-149,545.67

Finding the Fourth Proportional to 276,870.07, 382,080.96 and 149,545.67

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Solution

The fourth proportional to 276,870.07, 382,080.96 and 149,545.67 is: 206,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,870.07 : 382,080.96 = 149,545.67 : x
  2. Step 2: Convert to fraction form
    276,870.07/382,080.96 = 149,545.67/x
  3. Step 3: Cross multiply
    276,870.07x = 382,080.96 × 149,545.67
  4. Step 4: Simplify right side
    276,870.07x = 57,138,553,157.44
  5. Step 5: Solve for x
    x = 57,138,553,157.44/276,870.07
  6. Step 6: Final answer
    x = 206,373.17

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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.