Home / 274,056.63-378,196.96-153,197.80

Finding the Fourth Proportional to 274,056.63, 378,196.96 and 153,197.80

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Solution

The fourth proportional to 274,056.63, 378,196.96 and 153,197.80 is: 211,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,056.63 : 378,196.96 = 153,197.80 : x
  2. Step 2: Convert to fraction form
    274,056.63/378,196.96 = 153,197.80/x
  3. Step 3: Cross multiply
    274,056.63x = 378,196.96 × 153,197.80
  4. Step 4: Simplify right side
    274,056.63x = 57,938,942,238.69
  5. Step 5: Solve for x
    x = 57,938,942,238.69/274,056.63
  6. Step 6: Final answer
    x = 211,412.30

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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.