Home / 213,034.80-319,549.86-146,271.36

Finding the Fourth Proportional to 213,034.80, 319,549.86 and 146,271.36

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Solution

The fourth proportional to 213,034.80, 319,549.86 and 146,271.36 is: 219,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,034.80 : 319,549.86 = 146,271.36 : x
  2. Step 2: Convert to fraction form
    213,034.80/319,549.86 = 146,271.36/x
  3. Step 3: Cross multiply
    213,034.80x = 319,549.86 × 146,271.36
  4. Step 4: Simplify right side
    213,034.80x = 46,740,992,610.01
  5. Step 5: Solve for x
    x = 46,740,992,610.01/213,034.80
  6. Step 6: Final answer
    x = 219,405.43

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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.