Home / 550,478.12-825,519.08-190,551.18

Finding the Fourth Proportional to 550,478.12, 825,519.08 and 190,551.18

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Solution

The fourth proportional to 550,478.12, 825,519.08 and 190,551.18 is: 285,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,478.12 : 825,519.08 = 190,551.18 : x
  2. Step 2: Convert to fraction form
    550,478.12/825,519.08 = 190,551.18/x
  3. Step 3: Cross multiply
    550,478.12x = 825,519.08 × 190,551.18
  4. Step 4: Simplify right side
    550,478.12x = 157,303,634,806.51
  5. Step 5: Solve for x
    x = 157,303,634,806.51/550,478.12
  6. Step 6: Final answer
    x = 285,758.20

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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.