Home / 238,255.23-328,885.90-142,743.47

Finding the Fourth Proportional to 238,255.23, 328,885.90 and 142,743.47

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Solution

The fourth proportional to 238,255.23, 328,885.90 and 142,743.47 is: 197,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,255.23 : 328,885.90 = 142,743.47 : x
  2. Step 2: Convert to fraction form
    238,255.23/328,885.90 = 142,743.47/x
  3. Step 3: Cross multiply
    238,255.23x = 328,885.90 × 142,743.47
  4. Step 4: Simplify right side
    238,255.23x = 46,946,314,600.07
  5. Step 5: Solve for x
    x = 46,946,314,600.07/238,255.23
  6. Step 6: Final answer
    x = 197,042.12

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1.5x scale

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.