Home / 680,151.60-1,020,265.80-206,852.40

Finding the Fourth Proportional to 680,151.60, 1,020,265.80 and 206,852.40

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Solution

The fourth proportional to 680,151.60, 1,020,265.80 and 206,852.40 is: 310,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,151.60 : 1,020,265.80 = 206,852.40 : x
  2. Step 2: Convert to fraction form
    680,151.60/1,020,265.80 = 206,852.40/x
  3. Step 3: Cross multiply
    680,151.60x = 1,020,265.80 × 206,852.40
  4. Step 4: Simplify right side
    680,151.60x = 211,044,429,367.92
  5. Step 5: Solve for x
    x = 211,044,429,367.92/680,151.60
  6. Step 6: Final answer
    x = 310,290.28

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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.