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Finding the Fourth Proportional to 249,998.58, 344,989.44 and 142,603.38

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Solution

The fourth proportional to 249,998.58, 344,989.44 and 142,603.38 is: 196,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,998.58 : 344,989.44 = 142,603.38 : x
  2. Step 2: Convert to fraction form
    249,998.58/344,989.44 = 142,603.38/x
  3. Step 3: Cross multiply
    249,998.58x = 344,989.44 × 142,603.38
  4. Step 4: Simplify right side
    249,998.58x = 49,196,660,208.31
  5. Step 5: Solve for x
    x = 49,196,660,208.31/249,998.58
  6. Step 6: Final answer
    x = 196,787.76

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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.