Home / 276,981.12-382,209.84-162,275.40

Finding the Fourth Proportional to 276,981.12, 382,209.84 and 162,275.40

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Solution

The fourth proportional to 276,981.12, 382,209.84 and 162,275.40 is: 223,925.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,981.12 : 382,209.84 = 162,275.40 : x
  2. Step 2: Convert to fraction form
    276,981.12/382,209.84 = 162,275.40/x
  3. Step 3: Cross multiply
    276,981.12x = 382,209.84 × 162,275.40
  4. Step 4: Simplify right side
    276,981.12x = 62,023,254,669.94
  5. Step 5: Solve for x
    x = 62,023,254,669.94/276,981.12
  6. Step 6: Final answer
    x = 223,925.93

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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.