Home / 213,311.30-319,966.94-63,547.72

Finding the Fourth Proportional to 213,311.30, 319,966.94 and 63,547.72

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Solution

The fourth proportional to 213,311.30, 319,966.94 and 63,547.72 is: 95,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,311.30 : 319,966.94 = 63,547.72 : x
  2. Step 2: Convert to fraction form
    213,311.30/319,966.94 = 63,547.72/x
  3. Step 3: Cross multiply
    213,311.30x = 319,966.94 × 63,547.72
  4. Step 4: Simplify right side
    213,311.30x = 20,333,168,871.33
  5. Step 5: Solve for x
    x = 20,333,168,871.33/213,311.30
  6. Step 6: Final answer
    x = 95,321.58

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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.