Home / 245,828.52-368,742.78-140,573.88

Finding the Fourth Proportional to 245,828.52, 368,742.78 and 140,573.88

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Solution

The fourth proportional to 245,828.52, 368,742.78 and 140,573.88 is: 210,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,828.52 : 368,742.78 = 140,573.88 : x
  2. Step 2: Convert to fraction form
    245,828.52/368,742.78 = 140,573.88/x
  3. Step 3: Cross multiply
    245,828.52x = 368,742.78 × 140,573.88
  4. Step 4: Simplify right side
    245,828.52x = 51,835,603,306.59
  5. Step 5: Solve for x
    x = 51,835,603,306.59/245,828.52
  6. Step 6: Final answer
    x = 210,860.82

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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.