Home / 268,640.34-370,736.13-155,441.14

Finding the Fourth Proportional to 268,640.34, 370,736.13 and 155,441.14

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Solution

The fourth proportional to 268,640.34, 370,736.13 and 155,441.14 is: 214,515.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,640.34 : 370,736.13 = 155,441.14 : x
  2. Step 2: Convert to fraction form
    268,640.34/370,736.13 = 155,441.14/x
  3. Step 3: Cross multiply
    268,640.34x = 370,736.13 × 155,441.14
  4. Step 4: Simplify right side
    268,640.34x = 57,627,646,686.39
  5. Step 5: Solve for x
    x = 57,627,646,686.39/268,640.34
  6. Step 6: Final answer
    x = 214,515.98

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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.