Home / 373,260.30-515,106.95-209,919.93

Finding the Fourth Proportional to 373,260.30, 515,106.95 and 209,919.93

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Solution

The fourth proportional to 373,260.30, 515,106.95 and 209,919.93 is: 289,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,260.30 : 515,106.95 = 209,919.93 : x
  2. Step 2: Convert to fraction form
    373,260.30/515,106.95 = 209,919.93/x
  3. Step 3: Cross multiply
    373,260.30x = 515,106.95 × 209,919.93
  4. Step 4: Simplify right side
    373,260.30x = 108,131,213,836.91
  5. Step 5: Solve for x
    x = 108,131,213,836.91/373,260.30
  6. Step 6: Final answer
    x = 289,693.85

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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.