Home / 499,634.60-749,327.02-196,090.40

Finding the Fourth Proportional to 499,634.60, 749,327.02 and 196,090.40

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Solution

The fourth proportional to 499,634.60, 749,327.02 and 196,090.40 is: 294,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,634.60 : 749,327.02 = 196,090.40 : x
  2. Step 2: Convert to fraction form
    499,634.60/749,327.02 = 196,090.40/x
  3. Step 3: Cross multiply
    499,634.60x = 749,327.02 × 196,090.40
  4. Step 4: Simplify right side
    499,634.60x = 146,935,836,465.70
  5. Step 5: Solve for x
    x = 146,935,836,465.70/499,634.60
  6. Step 6: Final answer
    x = 294,086.59

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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.