Home / 219,757.19-302,722.05-187,386.39

Finding the Fourth Proportional to 219,757.19, 302,722.05 and 187,386.39

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Solution

The fourth proportional to 219,757.19, 302,722.05 and 187,386.39 is: 258,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,757.19 : 302,722.05 = 187,386.39 : x
  2. Step 2: Convert to fraction form
    219,757.19/302,722.05 = 187,386.39/x
  3. Step 3: Cross multiply
    219,757.19x = 302,722.05 × 187,386.39
  4. Step 4: Simplify right side
    219,757.19x = 56,725,992,122.90
  5. Step 5: Solve for x
    x = 56,725,992,122.90/219,757.19
  6. Step 6: Final answer
    x = 258,130.32

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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.