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Finding the Fourth Proportional to 249,998.77, 344,995.88 and 135,274.91

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Solution

The fourth proportional to 249,998.77, 344,995.88 and 135,274.91 is: 186,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,998.77 : 344,995.88 = 135,274.91 : x
  2. Step 2: Convert to fraction form
    249,998.77/344,995.88 = 135,274.91/x
  3. Step 3: Cross multiply
    249,998.77x = 344,995.88 × 135,274.91
  4. Step 4: Simplify right side
    249,998.77x = 46,669,285,230.58
  5. Step 5: Solve for x
    x = 46,669,285,230.58/249,998.77
  6. Step 6: Final answer
    x = 186,678.06

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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.