Home / 369,455.22-554,010.60-191,914.56

Finding the Fourth Proportional to 369,455.22, 554,010.60 and 191,914.56

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Solution

The fourth proportional to 369,455.22, 554,010.60 and 191,914.56 is: 287,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,455.22 : 554,010.60 = 191,914.56 : x
  2. Step 2: Convert to fraction form
    369,455.22/554,010.60 = 191,914.56/x
  3. Step 3: Cross multiply
    369,455.22x = 554,010.60 × 191,914.56
  4. Step 4: Simplify right side
    369,455.22x = 106,322,700,534.34
  5. Step 5: Solve for x
    x = 106,322,700,534.34/369,455.22
  6. Step 6: Final answer
    x = 287,782.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.