Home / 372,241.32-513,677.48-219,285.78

Finding the Fourth Proportional to 372,241.32, 513,677.48 and 219,285.78

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Solution

The fourth proportional to 372,241.32, 513,677.48 and 219,285.78 is: 302,605.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,241.32 : 513,677.48 = 219,285.78 : x
  2. Step 2: Convert to fraction form
    372,241.32/513,677.48 = 219,285.78/x
  3. Step 3: Cross multiply
    372,241.32x = 513,677.48 × 219,285.78
  4. Step 4: Simplify right side
    372,241.32x = 112,642,166,870.23
  5. Step 5: Solve for x
    x = 112,642,166,870.23/372,241.32
  6. Step 6: Final answer
    x = 302,605.22

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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.