Home / 213,479.15-320,277.04-73,248.71

Finding the Fourth Proportional to 213,479.15, 320,277.04 and 73,248.71

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Solution

The fourth proportional to 213,479.15, 320,277.04 and 73,248.71 is: 109,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,479.15 : 320,277.04 = 73,248.71 : x
  2. Step 2: Convert to fraction form
    213,479.15/320,277.04 = 73,248.71/x
  3. Step 3: Cross multiply
    213,479.15x = 320,277.04 × 73,248.71
  4. Step 4: Simplify right side
    213,479.15x = 23,459,878,238.11
  5. Step 5: Solve for x
    x = 23,459,878,238.11/213,479.15
  6. Step 6: Final answer
    x = 109,893.07

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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.