Home / 340,633.28-510,932.93-127,385.51

Finding the Fourth Proportional to 340,633.28, 510,932.93 and 127,385.51

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Solution

The fourth proportional to 340,633.28, 510,932.93 and 127,385.51 is: 191,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,633.28 : 510,932.93 = 127,385.51 : x
  2. Step 2: Convert to fraction form
    340,633.28/510,932.93 = 127,385.51/x
  3. Step 3: Cross multiply
    340,633.28x = 510,932.93 × 127,385.51
  4. Step 4: Simplify right side
    340,633.28x = 65,085,451,785.10
  5. Step 5: Solve for x
    x = 65,085,451,785.10/340,633.28
  6. Step 6: Final answer
    x = 191,071.91

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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.