Home / 308,274.48-462,434.40-130,761.36

Finding the Fourth Proportional to 308,274.48, 462,434.40 and 130,761.36

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Solution

The fourth proportional to 308,274.48, 462,434.40 and 130,761.36 is: 196,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,274.48 : 462,434.40 = 130,761.36 : x
  2. Step 2: Convert to fraction form
    308,274.48/462,434.40 = 130,761.36/x
  3. Step 3: Cross multiply
    308,274.48x = 462,434.40 × 130,761.36
  4. Step 4: Simplify right side
    308,274.48x = 60,468,551,054.78
  5. Step 5: Solve for x
    x = 60,468,551,054.78/308,274.48
  6. Step 6: Final answer
    x = 196,151.66

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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.