Home / 402,383.48-555,080.98-273,328.60

Finding the Fourth Proportional to 402,383.48, 555,080.98 and 273,328.60

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Solution

The fourth proportional to 402,383.48, 555,080.98 and 273,328.60 is: 377,052.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,383.48 : 555,080.98 = 273,328.60 : x
  2. Step 2: Convert to fraction form
    402,383.48/555,080.98 = 273,328.60/x
  3. Step 3: Cross multiply
    402,383.48x = 555,080.98 × 273,328.60
  4. Step 4: Simplify right side
    402,383.48x = 151,719,507,150.03
  5. Step 5: Solve for x
    x = 151,719,507,150.03/402,383.48
  6. Step 6: Final answer
    x = 377,052.03

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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.