Home / 456,264.12-684,432.72-136,392.60

Finding the Fourth Proportional to 456,264.12, 684,432.72 and 136,392.60

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Solution

The fourth proportional to 456,264.12, 684,432.72 and 136,392.60 is: 204,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,264.12 : 684,432.72 = 136,392.60 : x
  2. Step 2: Convert to fraction form
    456,264.12/684,432.72 = 136,392.60/x
  3. Step 3: Cross multiply
    456,264.12x = 684,432.72 × 136,392.60
  4. Step 4: Simplify right side
    456,264.12x = 93,351,558,205.87
  5. Step 5: Solve for x
    x = 93,351,558,205.87/456,264.12
  6. Step 6: Final answer
    x = 204,599.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.