Home / 277,632.24-416,449.50-77,954.28

Finding the Fourth Proportional to 277,632.24, 416,449.50 and 77,954.28

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Solution

The fourth proportional to 277,632.24, 416,449.50 and 77,954.28 is: 116,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,632.24 : 416,449.50 = 77,954.28 : x
  2. Step 2: Convert to fraction form
    277,632.24/416,449.50 = 77,954.28/x
  3. Step 3: Cross multiply
    277,632.24x = 416,449.50 × 77,954.28
  4. Step 4: Simplify right side
    277,632.24x = 32,464,020,928.86
  5. Step 5: Solve for x
    x = 32,464,020,928.86/277,632.24
  6. Step 6: Final answer
    x = 116,931.74

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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.