Home / 345,446.37-476,716.96-200,280.36

Finding the Fourth Proportional to 345,446.37, 476,716.96 and 200,280.36

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Solution

The fourth proportional to 345,446.37, 476,716.96 and 200,280.36 is: 276,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,446.37 : 476,716.96 = 200,280.36 : x
  2. Step 2: Convert to fraction form
    345,446.37/476,716.96 = 200,280.36/x
  3. Step 3: Cross multiply
    345,446.37x = 476,716.96 × 200,280.36
  4. Step 4: Simplify right side
    345,446.37x = 95,477,045,058.00
  5. Step 5: Solve for x
    x = 95,477,045,058.00/345,446.37
  6. Step 6: Final answer
    x = 276,387.46

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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.