Home / 358,862.34-538,306.20-190,154.82

Finding the Fourth Proportional to 358,862.34, 538,306.20 and 190,154.82

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Solution

The fourth proportional to 358,862.34, 538,306.20 and 190,154.82 is: 285,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,862.34 : 538,306.20 = 190,154.82 : x
  2. Step 2: Convert to fraction form
    358,862.34/538,306.20 = 190,154.82/x
  3. Step 3: Cross multiply
    358,862.34x = 538,306.20 × 190,154.82
  4. Step 4: Simplify right side
    358,862.34x = 102,361,518,565.88
  5. Step 5: Solve for x
    x = 102,361,518,565.88/358,862.34
  6. Step 6: Final answer
    x = 285,238.95

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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.