Home / 290,334.57-400,651.38-163,015.53

Finding the Fourth Proportional to 290,334.57, 400,651.38 and 163,015.53

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Solution

The fourth proportional to 290,334.57, 400,651.38 and 163,015.53 is: 224,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,334.57 : 400,651.38 = 163,015.53 : x
  2. Step 2: Convert to fraction form
    290,334.57/400,651.38 = 163,015.53/x
  3. Step 3: Cross multiply
    290,334.57x = 400,651.38 × 163,015.53
  4. Step 4: Simplify right side
    290,334.57x = 65,312,397,055.93
  5. Step 5: Solve for x
    x = 65,312,397,055.93/290,334.57
  6. Step 6: Final answer
    x = 224,955.63

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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.