Home / 238,330.17-328,898.34-130,902.71

Finding the Fourth Proportional to 238,330.17, 328,898.34 and 130,902.71

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Solution

The fourth proportional to 238,330.17, 328,898.34 and 130,902.71 is: 180,647.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,330.17 : 328,898.34 = 130,902.71 : x
  2. Step 2: Convert to fraction form
    238,330.17/328,898.34 = 130,902.71/x
  3. Step 3: Cross multiply
    238,330.17x = 328,898.34 × 130,902.71
  4. Step 4: Simplify right side
    238,330.17x = 43,053,682,376.01
  5. Step 5: Solve for x
    x = 43,053,682,376.01/238,330.17
  6. Step 6: Final answer
    x = 180,647.22

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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.