Home / 379,934.54-524,326.11-210,168.66

Finding the Fourth Proportional to 379,934.54, 524,326.11 and 210,168.66

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Solution

The fourth proportional to 379,934.54, 524,326.11 and 210,168.66 is: 290,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,934.54 : 524,326.11 = 210,168.66 : x
  2. Step 2: Convert to fraction form
    379,934.54/524,326.11 = 210,168.66/x
  3. Step 3: Cross multiply
    379,934.54x = 524,326.11 × 210,168.66
  4. Step 4: Simplify right side
    379,934.54x = 110,196,915,941.71
  5. Step 5: Solve for x
    x = 110,196,915,941.71/379,934.54
  6. Step 6: Final answer
    x = 290,041.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.