Home / 456,441.92-684,725.16-190,140.15

Finding the Fourth Proportional to 456,441.92, 684,725.16 and 190,140.15

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Solution

The fourth proportional to 456,441.92, 684,725.16 and 190,140.15 is: 285,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,441.92 : 684,725.16 = 190,140.15 : x
  2. Step 2: Convert to fraction form
    456,441.92/684,725.16 = 190,140.15/x
  3. Step 3: Cross multiply
    456,441.92x = 684,725.16 × 190,140.15
  4. Step 4: Simplify right side
    456,441.92x = 130,193,744,631.17
  5. Step 5: Solve for x
    x = 130,193,744,631.17/456,441.92
  6. Step 6: Final answer
    x = 285,236.17

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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.