Home / 248,700.02-343,206.46-135,522.78

Finding the Fourth Proportional to 248,700.02, 343,206.46 and 135,522.78

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Solution

The fourth proportional to 248,700.02, 343,206.46 and 135,522.78 is: 187,021.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,700.02 : 343,206.46 = 135,522.78 : x
  2. Step 2: Convert to fraction form
    248,700.02/343,206.46 = 135,522.78/x
  3. Step 3: Cross multiply
    248,700.02x = 343,206.46 × 135,522.78
  4. Step 4: Simplify right side
    248,700.02x = 46,512,293,573.16
  5. Step 5: Solve for x
    x = 46,512,293,573.16/248,700.02
  6. Step 6: Final answer
    x = 187,021.67

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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.