Home / 251,057.28-346,459.02-137,880.02

Finding the Fourth Proportional to 251,057.28, 346,459.02 and 137,880.02

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Solution

The fourth proportional to 251,057.28, 346,459.02 and 137,880.02 is: 190,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,057.28 : 346,459.02 = 137,880.02 : x
  2. Step 2: Convert to fraction form
    251,057.28/346,459.02 = 137,880.02/x
  3. Step 3: Cross multiply
    251,057.28x = 346,459.02 × 137,880.02
  4. Step 4: Simplify right side
    251,057.28x = 47,769,776,606.78
  5. Step 5: Solve for x
    x = 47,769,776,606.78/251,057.28
  6. Step 6: Final answer
    x = 190,274.41

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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.