Home / 249,865.60-344,822.70-142,433.68

Finding the Fourth Proportional to 249,865.60, 344,822.70 and 142,433.68

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Solution

The fourth proportional to 249,865.60, 344,822.70 and 142,433.68 is: 196,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,865.60 : 344,822.70 = 142,433.68 : x
  2. Step 2: Convert to fraction form
    249,865.60/344,822.70 = 142,433.68/x
  3. Step 3: Cross multiply
    249,865.60x = 344,822.70 × 142,433.68
  4. Step 4: Simplify right side
    249,865.60x = 49,114,366,108.54
  5. Step 5: Solve for x
    x = 49,114,366,108.54/249,865.60
  6. Step 6: Final answer
    x = 196,563.14

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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.