Home / 249,428.88-344,219.41-136,258.92

Finding the Fourth Proportional to 249,428.88, 344,219.41 and 136,258.92

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Solution

The fourth proportional to 249,428.88, 344,219.41 and 136,258.92 is: 188,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,428.88 : 344,219.41 = 136,258.92 : x
  2. Step 2: Convert to fraction form
    249,428.88/344,219.41 = 136,258.92/x
  3. Step 3: Cross multiply
    249,428.88x = 344,219.41 × 136,258.92
  4. Step 4: Simplify right side
    249,428.88x = 46,902,965,049.64
  5. Step 5: Solve for x
    x = 46,902,965,049.64/249,428.88
  6. Step 6: Final answer
    x = 188,041.44

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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.