Home / 490,839.70-735,957.93-190,971.01

Finding the Fourth Proportional to 490,839.70, 735,957.93 and 190,971.01

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Solution

The fourth proportional to 490,839.70, 735,957.93 and 190,971.01 is: 286,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,839.70 : 735,957.93 = 190,971.01 : x
  2. Step 2: Convert to fraction form
    490,839.70/735,957.93 = 190,971.01/x
  3. Step 3: Cross multiply
    490,839.70x = 735,957.93 × 190,971.01
  4. Step 4: Simplify right side
    490,839.70x = 140,546,629,209.61
  5. Step 5: Solve for x
    x = 140,546,629,209.61/490,839.70
  6. Step 6: Final answer
    x = 286,339.16

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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.