Home / 299,148.48-412,817.36-163,185.53

Finding the Fourth Proportional to 299,148.48, 412,817.36 and 163,185.53

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Solution

The fourth proportional to 299,148.48, 412,817.36 and 163,185.53 is: 225,191.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,148.48 : 412,817.36 = 163,185.53 : x
  2. Step 2: Convert to fraction form
    299,148.48/412,817.36 = 163,185.53/x
  3. Step 3: Cross multiply
    299,148.48x = 412,817.36 × 163,185.53
  4. Step 4: Simplify right side
    299,148.48x = 67,365,816,804.79
  5. Step 5: Solve for x
    x = 67,365,816,804.79/299,148.48
  6. Step 6: Final answer
    x = 225,191.91

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1.5x scale

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.