Home / 345,623.55-476,851.21-272,796.45

Finding the Fourth Proportional to 345,623.55, 476,851.21 and 272,796.45

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Solution

The fourth proportional to 345,623.55, 476,851.21 and 272,796.45 is: 376,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,623.55 : 476,851.21 = 272,796.45 : x
  2. Step 2: Convert to fraction form
    345,623.55/476,851.21 = 272,796.45/x
  3. Step 3: Cross multiply
    345,623.55x = 476,851.21 × 272,796.45
  4. Step 4: Simplify right side
    345,623.55x = 130,083,317,266.21
  5. Step 5: Solve for x
    x = 130,083,317,266.21/345,623.55
  6. Step 6: Final answer
    x = 376,372.84

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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.