Home / 249,795.92-344,709.83-142,400.57

Finding the Fourth Proportional to 249,795.92, 344,709.83 and 142,400.57

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Solution

The fourth proportional to 249,795.92, 344,709.83 and 142,400.57 is: 196,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,795.92 : 344,709.83 = 142,400.57 : x
  2. Step 2: Convert to fraction form
    249,795.92/344,709.83 = 142,400.57/x
  3. Step 3: Cross multiply
    249,795.92x = 344,709.83 × 142,400.57
  4. Step 4: Simplify right side
    249,795.92x = 49,086,874,909.06
  5. Step 5: Solve for x
    x = 49,086,874,909.06/249,795.92
  6. Step 6: Final answer
    x = 196,507.91

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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.