Home / 345,512.47-476,823.44-202,318.64

Finding the Fourth Proportional to 345,512.47, 476,823.44 and 202,318.64

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Solution

The fourth proportional to 345,512.47, 476,823.44 and 202,318.64 is: 279,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,512.47 : 476,823.44 = 202,318.64 : x
  2. Step 2: Convert to fraction form
    345,512.47/476,823.44 = 202,318.64/x
  3. Step 3: Cross multiply
    345,512.47x = 476,823.44 × 202,318.64
  4. Step 4: Simplify right side
    345,512.47x = 96,470,268,889.33
  5. Step 5: Solve for x
    x = 96,470,268,889.33/345,512.47
  6. Step 6: Final answer
    x = 279,209.23

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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.