Home / 268,228.36-402,445.71-118,362.77

Finding the Fourth Proportional to 268,228.36, 402,445.71 and 118,362.77

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Solution

The fourth proportional to 268,228.36, 402,445.71 and 118,362.77 is: 177,589.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,228.36 : 402,445.71 = 118,362.77 : x
  2. Step 2: Convert to fraction form
    268,228.36/402,445.71 = 118,362.77/x
  3. Step 3: Cross multiply
    268,228.36x = 402,445.71 × 118,362.77
  4. Step 4: Simplify right side
    268,228.36x = 47,634,586,997.99
  5. Step 5: Solve for x
    x = 47,634,586,997.99/268,228.36
  6. Step 6: Final answer
    x = 177,589.68

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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.