Home / 249,629.20-344,448-142,201.30

Finding the Fourth Proportional to 249,629.20, 344,448 and 142,201.30

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Solution

The fourth proportional to 249,629.20, 344,448 and 142,201.30 is: 196,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,629.20 : 344,448 = 142,201.30 : x
  2. Step 2: Convert to fraction form
    249,629.20/344,448 = 142,201.30/x
  3. Step 3: Cross multiply
    249,629.20x = 344,448 × 142,201.30
  4. Step 4: Simplify right side
    249,629.20x = 48,980,953,382.40
  5. Step 5: Solve for x
    x = 48,980,953,382.40/249,629.20
  6. Step 6: Final answer
    x = 196,214.84

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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.