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Finding the Fourth Proportional to 249,888.77, 344,846.73 and 136,711.52

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Solution

The fourth proportional to 249,888.77, 344,846.73 and 136,711.52 is: 188,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,888.77 : 344,846.73 = 136,711.52 : x
  2. Step 2: Convert to fraction form
    249,888.77/344,846.73 = 136,711.52/x
  3. Step 3: Cross multiply
    249,888.77x = 344,846.73 × 136,711.52
  4. Step 4: Simplify right side
    249,888.77x = 47,144,518,217.54
  5. Step 5: Solve for x
    x = 47,144,518,217.54/249,888.77
  6. Step 6: Final answer
    x = 188,662.02

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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.