Home / 238,239.48-328,768.20-130,808.58

Finding the Fourth Proportional to 238,239.48, 328,768.20 and 130,808.58

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Solution

The fourth proportional to 238,239.48, 328,768.20 and 130,808.58 is: 180,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,239.48 : 328,768.20 = 130,808.58 : x
  2. Step 2: Convert to fraction form
    238,239.48/328,768.20 = 130,808.58/x
  3. Step 3: Cross multiply
    238,239.48x = 328,768.20 × 130,808.58
  4. Step 4: Simplify right side
    238,239.48x = 43,005,701,391.16
  5. Step 5: Solve for x
    x = 43,005,701,391.16/238,239.48
  6. Step 6: Final answer
    x = 180,514.59

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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.