Home / 454,438.40-681,657.60-188,162.24

Finding the Fourth Proportional to 454,438.40, 681,657.60 and 188,162.24

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Solution

The fourth proportional to 454,438.40, 681,657.60 and 188,162.24 is: 282,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,438.40 : 681,657.60 = 188,162.24 : x
  2. Step 2: Convert to fraction form
    454,438.40/681,657.60 = 188,162.24/x
  3. Step 3: Cross multiply
    454,438.40x = 681,657.60 × 188,162.24
  4. Step 4: Simplify right side
    454,438.40x = 128,262,220,929.02
  5. Step 5: Solve for x
    x = 128,262,220,929.02/454,438.40
  6. Step 6: Final answer
    x = 282,243.36

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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.