Home / 272,634.60-408,077.10-213,148.20

Finding the Fourth Proportional to 272,634.60, 408,077.10 and 213,148.20

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Solution

The fourth proportional to 272,634.60, 408,077.10 and 213,148.20 is: 319,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,634.60 : 408,077.10 = 213,148.20 : x
  2. Step 2: Convert to fraction form
    272,634.60/408,077.10 = 213,148.20/x
  3. Step 3: Cross multiply
    272,634.60x = 408,077.10 × 213,148.20
  4. Step 4: Simplify right side
    272,634.60x = 86,980,899,326.22
  5. Step 5: Solve for x
    x = 86,980,899,326.22/272,634.60
  6. Step 6: Final answer
    x = 319,038.37

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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.