Home / 249,583.25-344,424.87-136,406

Finding the Fourth Proportional to 249,583.25, 344,424.87 and 136,406

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Solution

The fourth proportional to 249,583.25, 344,424.87 and 136,406 is: 188,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,583.25 : 344,424.87 = 136,406 : x
  2. Step 2: Convert to fraction form
    249,583.25/344,424.87 = 136,406/x
  3. Step 3: Cross multiply
    249,583.25x = 344,424.87 × 136,406
  4. Step 4: Simplify right side
    249,583.25x = 46,981,618,817.22
  5. Step 5: Solve for x
    x = 46,981,618,817.22/249,583.25
  6. Step 6: Final answer
    x = 188,240.27

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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.