Home / 260,579.43-390,926.52-148,312.49

Finding the Fourth Proportional to 260,579.43, 390,926.52 and 148,312.49

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Solution

The fourth proportional to 260,579.43, 390,926.52 and 148,312.49 is: 222,501.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,579.43 : 390,926.52 = 148,312.49 : x
  2. Step 2: Convert to fraction form
    260,579.43/390,926.52 = 148,312.49/x
  3. Step 3: Cross multiply
    260,579.43x = 390,926.52 × 148,312.49
  4. Step 4: Simplify right side
    260,579.43x = 57,979,283,633.60
  5. Step 5: Solve for x
    x = 57,979,283,633.60/260,579.43
  6. Step 6: Final answer
    x = 222,501.38

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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.