Home / 373,289.23-515,124.30-220,376.69

Finding the Fourth Proportional to 373,289.23, 515,124.30 and 220,376.69

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Solution

The fourth proportional to 373,289.23, 515,124.30 and 220,376.69 is: 304,111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,289.23 : 515,124.30 = 220,376.69 : x
  2. Step 2: Convert to fraction form
    373,289.23/515,124.30 = 220,376.69/x
  3. Step 3: Cross multiply
    373,289.23x = 515,124.30 × 220,376.69
  4. Step 4: Simplify right side
    373,289.23x = 113,521,385,596.95
  5. Step 5: Solve for x
    x = 113,521,385,596.95/373,289.23
  6. Step 6: Final answer
    x = 304,111.07

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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.