Home / 238,330.35-328,898.03-130,902.80

Finding the Fourth Proportional to 238,330.35, 328,898.03 and 130,902.80

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Solution

The fourth proportional to 238,330.35, 328,898.03 and 130,902.80 is: 180,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,330.35 : 328,898.03 = 130,902.80 : x
  2. Step 2: Convert to fraction form
    238,330.35/328,898.03 = 130,902.80/x
  3. Step 3: Cross multiply
    238,330.35x = 328,898.03 × 130,902.80
  4. Step 4: Simplify right side
    238,330.35x = 43,053,670,742.48
  5. Step 5: Solve for x
    x = 43,053,670,742.48/238,330.35
  6. Step 6: Final answer
    x = 180,647.03

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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.