Home / 291,515.02-402,280.23-164,202.46

Finding the Fourth Proportional to 291,515.02, 402,280.23 and 164,202.46

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Solution

The fourth proportional to 291,515.02, 402,280.23 and 164,202.46 is: 226,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,515.02 : 402,280.23 = 164,202.46 : x
  2. Step 2: Convert to fraction form
    291,515.02/402,280.23 = 164,202.46/x
  3. Step 3: Cross multiply
    291,515.02x = 402,280.23 × 164,202.46
  4. Step 4: Simplify right side
    291,515.02x = 66,055,403,375.37
  5. Step 5: Solve for x
    x = 66,055,403,375.37/291,515.02
  6. Step 6: Final answer
    x = 226,593.48

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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.