Home / 276,460.02-414,689.76-86,919.48

Finding the Fourth Proportional to 276,460.02, 414,689.76 and 86,919.48

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Solution

The fourth proportional to 276,460.02, 414,689.76 and 86,919.48 is: 130,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,460.02 : 414,689.76 = 86,919.48 : x
  2. Step 2: Convert to fraction form
    276,460.02/414,689.76 = 86,919.48/x
  3. Step 3: Cross multiply
    276,460.02x = 414,689.76 × 86,919.48
  4. Step 4: Simplify right side
    276,460.02x = 36,044,618,300.52
  5. Step 5: Solve for x
    x = 36,044,618,300.52/276,460.02
  6. Step 6: Final answer
    x = 130,379.14

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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.