Home / 331,950.16-458,089.12-188,710.20

Finding the Fourth Proportional to 331,950.16, 458,089.12 and 188,710.20

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Solution

The fourth proportional to 331,950.16, 458,089.12 and 188,710.20 is: 260,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,950.16 : 458,089.12 = 188,710.20 : x
  2. Step 2: Convert to fraction form
    331,950.16/458,089.12 = 188,710.20/x
  3. Step 3: Cross multiply
    331,950.16x = 458,089.12 × 188,710.20
  4. Step 4: Simplify right side
    331,950.16x = 86,446,089,453.02
  5. Step 5: Solve for x
    x = 86,446,089,453.02/331,950.16
  6. Step 6: Final answer
    x = 260,418.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.