Home / 248,385.45-342,012.87-187,220.52

Finding the Fourth Proportional to 248,385.45, 342,012.87 and 187,220.52

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Solution

The fourth proportional to 248,385.45, 342,012.87 and 187,220.52 is: 257,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385.45 : 342,012.87 = 187,220.52 : x
  2. Step 2: Convert to fraction form
    248,385.45/342,012.87 = 187,220.52/x
  3. Step 3: Cross multiply
    248,385.45x = 342,012.87 × 187,220.52
  4. Step 4: Simplify right side
    248,385.45x = 64,031,827,368.09
  5. Step 5: Solve for x
    x = 64,031,827,368.09/248,385.45
  6. Step 6: Final answer
    x = 257,792.18

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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.