Home / 249,949.58-344,929.50-135,228.56

Finding the Fourth Proportional to 249,949.58, 344,929.50 and 135,228.56

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Solution

The fourth proportional to 249,949.58, 344,929.50 and 135,228.56 is: 186,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,949.58 : 344,929.50 = 135,228.56 : x
  2. Step 2: Convert to fraction form
    249,949.58/344,929.50 = 135,228.56/x
  3. Step 3: Cross multiply
    249,949.58x = 344,929.50 × 135,228.56
  4. Step 4: Simplify right side
    249,949.58x = 46,644,317,861.87
  5. Step 5: Solve for x
    x = 46,644,317,861.87/249,949.58
  6. Step 6: Final answer
    x = 186,614.91

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1.5x scale

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.