Home / 276,946.67-415,490.06-77,266.91

Finding the Fourth Proportional to 276,946.67, 415,490.06 and 77,266.91

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Solution

The fourth proportional to 276,946.67, 415,490.06 and 77,266.91 is: 115,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,946.67 : 415,490.06 = 77,266.91 : x
  2. Step 2: Convert to fraction form
    276,946.67/415,490.06 = 77,266.91/x
  3. Step 3: Cross multiply
    276,946.67x = 415,490.06 × 77,266.91
  4. Step 4: Simplify right side
    276,946.67x = 32,103,633,071.91
  5. Step 5: Solve for x
    x = 32,103,633,071.91/276,946.67
  6. Step 6: Final answer
    x = 115,919.91

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1.5x scale

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.