Home / 372,255.02-513,803.19-211,204.34

Finding the Fourth Proportional to 372,255.02, 513,803.19 and 211,204.34

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Solution

The fourth proportional to 372,255.02, 513,803.19 and 211,204.34 is: 291,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,255.02 : 513,803.19 = 211,204.34 : x
  2. Step 2: Convert to fraction form
    372,255.02/513,803.19 = 211,204.34/x
  3. Step 3: Cross multiply
    372,255.02x = 513,803.19 × 211,204.34
  4. Step 4: Simplify right side
    372,255.02x = 108,517,463,633.85
  5. Step 5: Solve for x
    x = 108,517,463,633.85/372,255.02
  6. Step 6: Final answer
    x = 291,513.77

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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.