Home / 268,364.96-370,287.12-149,130.40

Finding the Fourth Proportional to 268,364.96, 370,287.12 and 149,130.40

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Solution

The fourth proportional to 268,364.96, 370,287.12 and 149,130.40 is: 205,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,364.96 : 370,287.12 = 149,130.40 : x
  2. Step 2: Convert to fraction form
    268,364.96/370,287.12 = 149,130.40/x
  3. Step 3: Cross multiply
    268,364.96x = 370,287.12 × 149,130.40
  4. Step 4: Simplify right side
    268,364.96x = 55,221,066,320.45
  5. Step 5: Solve for x
    x = 55,221,066,320.45/268,364.96
  6. Step 6: Final answer
    x = 205,768.54

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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.