Home / 238,239.50-328,768.20-130,808.57

Finding the Fourth Proportional to 238,239.50, 328,768.20 and 130,808.57

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Solution

The fourth proportional to 238,239.50, 328,768.20 and 130,808.57 is: 180,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,239.50 : 328,768.20 = 130,808.57 : x
  2. Step 2: Convert to fraction form
    238,239.50/328,768.20 = 130,808.57/x
  3. Step 3: Cross multiply
    238,239.50x = 328,768.20 × 130,808.57
  4. Step 4: Simplify right side
    238,239.50x = 43,005,696,459.63
  5. Step 5: Solve for x
    x = 43,005,696,459.63/238,239.50
  6. Step 6: Final answer
    x = 180,514.56

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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.