Home / 268,230.09-370,151.57-145,719.30

Finding the Fourth Proportional to 268,230.09, 370,151.57 and 145,719.30

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Solution

The fourth proportional to 268,230.09, 370,151.57 and 145,719.30 is: 201,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,230.09 : 370,151.57 = 145,719.30 : x
  2. Step 2: Convert to fraction form
    268,230.09/370,151.57 = 145,719.30/x
  3. Step 3: Cross multiply
    268,230.09x = 370,151.57 × 145,719.30
  4. Step 4: Simplify right side
    268,230.09x = 53,938,229,426.67
  5. Step 5: Solve for x
    x = 53,938,229,426.67/268,230.09
  6. Step 6: Final answer
    x = 201,089.41

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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.