Home / 238,330.42-328,898.69-130,902.96

Finding the Fourth Proportional to 238,330.42, 328,898.69 and 130,902.96

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Solution

The fourth proportional to 238,330.42, 328,898.69 and 130,902.96 is: 180,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,330.42 : 328,898.69 = 130,902.96 : x
  2. Step 2: Convert to fraction form
    238,330.42/328,898.69 = 130,902.96/x
  3. Step 3: Cross multiply
    238,330.42x = 328,898.69 × 130,902.96
  4. Step 4: Simplify right side
    238,330.42x = 43,053,812,061.12
  5. Step 5: Solve for x
    x = 43,053,812,061.12/238,330.42
  6. Step 6: Final answer
    x = 180,647.57

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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.