Home / 628,311.90-942,555.46-201,860.66

Finding the Fourth Proportional to 628,311.90, 942,555.46 and 201,860.66

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Solution

The fourth proportional to 628,311.90, 942,555.46 and 201,860.66 is: 302,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,311.90 : 942,555.46 = 201,860.66 : x
  2. Step 2: Convert to fraction form
    628,311.90/942,555.46 = 201,860.66/x
  3. Step 3: Cross multiply
    628,311.90x = 942,555.46 × 201,860.66
  4. Step 4: Simplify right side
    628,311.90x = 190,264,867,242.20
  5. Step 5: Solve for x
    x = 190,264,867,242.20/628,311.90
  6. Step 6: Final answer
    x = 302,819.14

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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.