Home / 249,611.07-344,463.45-136,433.82

Finding the Fourth Proportional to 249,611.07, 344,463.45 and 136,433.82

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Solution

The fourth proportional to 249,611.07, 344,463.45 and 136,433.82 is: 188,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,611.07 : 344,463.45 = 136,433.82 : x
  2. Step 2: Convert to fraction form
    249,611.07/344,463.45 = 136,433.82/x
  3. Step 3: Cross multiply
    249,611.07x = 344,463.45 × 136,433.82
  4. Step 4: Simplify right side
    249,611.07x = 46,996,464,333.88
  5. Step 5: Solve for x
    x = 46,996,464,333.88/249,611.07
  6. Step 6: Final answer
    x = 188,278.77

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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.