Home / 238,306.17-328,868.24-130,878.52

Finding the Fourth Proportional to 238,306.17, 328,868.24 and 130,878.52

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Solution

The fourth proportional to 238,306.17, 328,868.24 and 130,878.52 is: 180,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,306.17 : 328,868.24 = 130,878.52 : x
  2. Step 2: Convert to fraction form
    238,306.17/328,868.24 = 130,878.52/x
  3. Step 3: Cross multiply
    238,306.17x = 328,868.24 × 130,878.52
  4. Step 4: Simplify right side
    238,306.17x = 43,041,787,871.81
  5. Step 5: Solve for x
    x = 43,041,787,871.81/238,306.17
  6. Step 6: Final answer
    x = 180,615.50

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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.