Home / 371,777.06-513,054.03-210,663.50

Finding the Fourth Proportional to 371,777.06, 513,054.03 and 210,663.50

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Solution

The fourth proportional to 371,777.06, 513,054.03 and 210,663.50 is: 290,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,777.06 : 513,054.03 = 210,663.50 : x
  2. Step 2: Convert to fraction form
    371,777.06/513,054.03 = 210,663.50/x
  3. Step 3: Cross multiply
    371,777.06x = 513,054.03 × 210,663.50
  4. Step 4: Simplify right side
    371,777.06x = 108,081,755,083.64
  5. Step 5: Solve for x
    x = 108,081,755,083.64/371,777.06
  6. Step 6: Final answer
    x = 290,716.58

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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.