Home / 238,210.56-328,731.14-130,787.53

Finding the Fourth Proportional to 238,210.56, 328,731.14 and 130,787.53

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Solution

The fourth proportional to 238,210.56, 328,731.14 and 130,787.53 is: 180,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,210.56 : 328,731.14 = 130,787.53 : x
  2. Step 2: Convert to fraction form
    238,210.56/328,731.14 = 130,787.53/x
  3. Step 3: Cross multiply
    238,210.56x = 328,731.14 × 130,787.53
  4. Step 4: Simplify right side
    238,210.56x = 42,993,933,339.83
  5. Step 5: Solve for x
    x = 42,993,933,339.83/238,210.56
  6. Step 6: Final answer
    x = 180,487.10

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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.