Home / 373,690.32-515,709.44-210,403.04

Finding the Fourth Proportional to 373,690.32, 515,709.44 and 210,403.04

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Solution

The fourth proportional to 373,690.32, 515,709.44 and 210,403.04 is: 290,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,690.32 : 515,709.44 = 210,403.04 : x
  2. Step 2: Convert to fraction form
    373,690.32/515,709.44 = 210,403.04/x
  3. Step 3: Cross multiply
    373,690.32x = 515,709.44 × 210,403.04
  4. Step 4: Simplify right side
    373,690.32x = 108,506,833,932.70
  5. Step 5: Solve for x
    x = 108,506,833,932.70/373,690.32
  6. Step 6: Final answer
    x = 290,365.65

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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.