Home / 249,611.82-344,464.49-136,434.57

Finding the Fourth Proportional to 249,611.82, 344,464.49 and 136,434.57

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Solution

The fourth proportional to 249,611.82, 344,464.49 and 136,434.57 is: 188,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,611.82 : 344,464.49 = 136,434.57 : x
  2. Step 2: Convert to fraction form
    249,611.82/344,464.49 = 136,434.57/x
  3. Step 3: Cross multiply
    249,611.82x = 344,464.49 × 136,434.57
  4. Step 4: Simplify right side
    249,611.82x = 46,996,864,573.42
  5. Step 5: Solve for x
    x = 46,996,864,573.42/249,611.82
  6. Step 6: Final answer
    x = 188,279.80

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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.