Home / 374,771.15-517,057.37-213,511.34

Finding the Fourth Proportional to 374,771.15, 517,057.37 and 213,511.34

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Solution

The fourth proportional to 374,771.15, 517,057.37 and 213,511.34 is: 294,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,771.15 : 517,057.37 = 213,511.34 : x
  2. Step 2: Convert to fraction form
    374,771.15/517,057.37 = 213,511.34/x
  3. Step 3: Cross multiply
    374,771.15x = 517,057.37 × 213,511.34
  4. Step 4: Simplify right side
    374,771.15x = 110,397,614,152.33
  5. Step 5: Solve for x
    x = 110,397,614,152.33/374,771.15
  6. Step 6: Final answer
    x = 294,573.40

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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.