Home / 276,970.86-381,966.08-181,530.18

Finding the Fourth Proportional to 276,970.86, 381,966.08 and 181,530.18

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Solution

The fourth proportional to 276,970.86, 381,966.08 and 181,530.18 is: 250,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,970.86 : 381,966.08 = 181,530.18 : x
  2. Step 2: Convert to fraction form
    276,970.86/381,966.08 = 181,530.18/x
  3. Step 3: Cross multiply
    276,970.86x = 381,966.08 × 181,530.18
  4. Step 4: Simplify right side
    276,970.86x = 69,338,370,348.64
  5. Step 5: Solve for x
    x = 69,338,370,348.64/276,970.86
  6. Step 6: Final answer
    x = 250,345.36

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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.