Home / 373,272.36-515,118.88-203,507.72

Finding the Fourth Proportional to 373,272.36, 515,118.88 and 203,507.72

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Solution

The fourth proportional to 373,272.36, 515,118.88 and 203,507.72 is: 280,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,272.36 : 515,118.88 = 203,507.72 : x
  2. Step 2: Convert to fraction form
    373,272.36/515,118.88 = 203,507.72/x
  3. Step 3: Cross multiply
    373,272.36x = 515,118.88 × 203,507.72
  4. Step 4: Simplify right side
    373,272.36x = 104,830,668,797.75
  5. Step 5: Solve for x
    x = 104,830,668,797.75/373,272.36
  6. Step 6: Final answer
    x = 280,842.30

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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.