Home / 373,530.32-515,496.20-212,400.36

Finding the Fourth Proportional to 373,530.32, 515,496.20 and 212,400.36

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Solution

The fourth proportional to 373,530.32, 515,496.20 and 212,400.36 is: 293,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,530.32 : 515,496.20 = 212,400.36 : x
  2. Step 2: Convert to fraction form
    373,530.32/515,496.20 = 212,400.36/x
  3. Step 3: Cross multiply
    373,530.32x = 515,496.20 × 212,400.36
  4. Step 4: Simplify right side
    373,530.32x = 109,491,577,396.63
  5. Step 5: Solve for x
    x = 109,491,577,396.63/373,530.32
  6. Step 6: Final answer
    x = 293,126.35

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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.