Home / 349,477.10-481,697.64-247,371.60

Finding the Fourth Proportional to 349,477.10, 481,697.64 and 247,371.60

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Solution

The fourth proportional to 349,477.10, 481,697.64 and 247,371.60 is: 340,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,477.10 : 481,697.64 = 247,371.60 : x
  2. Step 2: Convert to fraction form
    349,477.10/481,697.64 = 247,371.60/x
  3. Step 3: Cross multiply
    349,477.10x = 481,697.64 × 247,371.60
  4. Step 4: Simplify right side
    349,477.10x = 119,158,315,923.02
  5. Step 5: Solve for x
    x = 119,158,315,923.02/349,477.10
  6. Step 6: Final answer
    x = 340,961.73

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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.