Home / 680,095.38-1,020,106.08-206,743.80

Finding the Fourth Proportional to 680,095.38, 1,020,106.08 and 206,743.80

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Solution

The fourth proportional to 680,095.38, 1,020,106.08 and 206,743.80 is: 310,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,095.38 : 1,020,106.08 = 206,743.80 : x
  2. Step 2: Convert to fraction form
    680,095.38/1,020,106.08 = 206,743.80/x
  3. Step 3: Cross multiply
    680,095.38x = 1,020,106.08 × 206,743.80
  4. Step 4: Simplify right side
    680,095.38x = 210,900,607,382.30
  5. Step 5: Solve for x
    x = 210,900,607,382.30/680,095.38
  6. Step 6: Final answer
    x = 310,104.46

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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.