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Finding the Fourth Proportional to 249,108.36, 373,379.36 and 219,064

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Solution

The fourth proportional to 249,108.36, 373,379.36 and 219,064 is: 328,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,108.36 : 373,379.36 = 219,064 : x
  2. Step 2: Convert to fraction form
    249,108.36/373,379.36 = 219,064/x
  3. Step 3: Cross multiply
    249,108.36x = 373,379.36 × 219,064
  4. Step 4: Simplify right side
    249,108.36x = 81,793,976,119.04
  5. Step 5: Solve for x
    x = 81,793,976,119.04/249,108.36
  6. Step 6: Final answer
    x = 328,346.97

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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.