Home / 276,369.93-381,386.04-155,511.15

Finding the Fourth Proportional to 276,369.93, 381,386.04 and 155,511.15

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Solution

The fourth proportional to 276,369.93, 381,386.04 and 155,511.15 is: 214,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,369.93 : 381,386.04 = 155,511.15 : x
  2. Step 2: Convert to fraction form
    276,369.93/381,386.04 = 155,511.15/x
  3. Step 3: Cross multiply
    276,369.93x = 381,386.04 × 155,511.15
  4. Step 4: Simplify right side
    276,369.93x = 59,309,781,674.35
  5. Step 5: Solve for x
    x = 59,309,781,674.35/276,369.93
  6. Step 6: Final answer
    x = 214,602.88

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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.