Home / 456,115.50-684,195.93-323,145.90

Finding the Fourth Proportional to 456,115.50, 684,195.93 and 323,145.90

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Solution

The fourth proportional to 456,115.50, 684,195.93 and 323,145.90 is: 484,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,115.50 : 684,195.93 = 323,145.90 : x
  2. Step 2: Convert to fraction form
    456,115.50/684,195.93 = 323,145.90/x
  3. Step 3: Cross multiply
    456,115.50x = 684,195.93 × 323,145.90
  4. Step 4: Simplify right side
    456,115.50x = 221,095,109,576.19
  5. Step 5: Solve for x
    x = 221,095,109,576.19/456,115.50
  6. Step 6: Final answer
    x = 484,734.92

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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.