Home / 238,285.82-328,821.63-130,870.46

Finding the Fourth Proportional to 238,285.82, 328,821.63 and 130,870.46

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Solution

The fourth proportional to 238,285.82, 328,821.63 and 130,870.46 is: 180,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,285.82 : 328,821.63 = 130,870.46 : x
  2. Step 2: Convert to fraction form
    238,285.82/328,821.63 = 130,870.46/x
  3. Step 3: Cross multiply
    238,285.82x = 328,821.63 × 130,870.46
  4. Step 4: Simplify right side
    238,285.82x = 43,033,037,976.05
  5. Step 5: Solve for x
    x = 43,033,037,976.05/238,285.82
  6. Step 6: Final answer
    x = 180,594.20

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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.