Home / 249,823.23-345,007.92-159,221.89

Finding the Fourth Proportional to 249,823.23, 345,007.92 and 159,221.89

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Solution

The fourth proportional to 249,823.23, 345,007.92 and 159,221.89 is: 219,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,823.23 : 345,007.92 = 159,221.89 : x
  2. Step 2: Convert to fraction form
    249,823.23/345,007.92 = 159,221.89/x
  3. Step 3: Cross multiply
    249,823.23x = 345,007.92 × 159,221.89
  4. Step 4: Simplify right side
    249,823.23x = 54,932,813,087.37
  5. Step 5: Solve for x
    x = 54,932,813,087.37/249,823.23
  6. Step 6: Final answer
    x = 219,886.73

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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.