Home / 840,166.40-1,259,870.52-240,991.58

Finding the Fourth Proportional to 840,166.40, 1,259,870.52 and 240,991.58

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Solution

The fourth proportional to 840,166.40, 1,259,870.52 and 240,991.58 is: 361,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,166.40 : 1,259,870.52 = 240,991.58 : x
  2. Step 2: Convert to fraction form
    840,166.40/1,259,870.52 = 240,991.58/x
  3. Step 3: Cross multiply
    840,166.40x = 1,259,870.52 × 240,991.58
  4. Step 4: Simplify right side
    840,166.40x = 303,618,187,210.22
  5. Step 5: Solve for x
    x = 303,618,187,210.22/840,166.40
  6. Step 6: Final answer
    x = 361,378.64

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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.