Home / 249,109.36-373,380.86-219,065

Finding the Fourth Proportional to 249,109.36, 373,380.86 and 219,065

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Solution

The fourth proportional to 249,109.36, 373,380.86 and 219,065 is: 328,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,109.36 : 373,380.86 = 219,065 : x
  2. Step 2: Convert to fraction form
    249,109.36/373,380.86 = 219,065/x
  3. Step 3: Cross multiply
    249,109.36x = 373,380.86 × 219,065
  4. Step 4: Simplify right side
    249,109.36x = 81,794,678,095.90
  5. Step 5: Solve for x
    x = 81,794,678,095.90/249,109.36
  6. Step 6: Final answer
    x = 328,348.47

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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.