Home / 454,313.40-681,786.30-188,075.31

Finding the Fourth Proportional to 454,313.40, 681,786.30 and 188,075.31

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Solution

The fourth proportional to 454,313.40, 681,786.30 and 188,075.31 is: 282,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,313.40 : 681,786.30 = 188,075.31 : x
  2. Step 2: Convert to fraction form
    454,313.40/681,786.30 = 188,075.31/x
  3. Step 3: Cross multiply
    454,313.40x = 681,786.30 × 188,075.31
  4. Step 4: Simplify right side
    454,313.40x = 128,227,169,726.25
  5. Step 5: Solve for x
    x = 128,227,169,726.25/454,313.40
  6. Step 6: Final answer
    x = 282,243.86

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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.