Home / 373,189.20-514,999.80-203,423.34

Finding the Fourth Proportional to 373,189.20, 514,999.80 and 203,423.34

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Solution

The fourth proportional to 373,189.20, 514,999.80 and 203,423.34 is: 280,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,189.20 : 514,999.80 = 203,423.34 : x
  2. Step 2: Convert to fraction form
    373,189.20/514,999.80 = 203,423.34/x
  3. Step 3: Cross multiply
    373,189.20x = 514,999.80 × 203,423.34
  4. Step 4: Simplify right side
    373,189.20x = 104,762,979,415.33
  5. Step 5: Solve for x
    x = 104,762,979,415.33/373,189.20
  6. Step 6: Final answer
    x = 280,723.50

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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.