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Finding the Fourth Proportional to 249,999.77, 344,997.26 and 135,275.91

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Solution

The fourth proportional to 249,999.77, 344,997.26 and 135,275.91 is: 186,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,999.77 : 344,997.26 = 135,275.91 : x
  2. Step 2: Convert to fraction form
    249,999.77/344,997.26 = 135,275.91/x
  3. Step 3: Cross multiply
    249,999.77x = 344,997.26 × 135,275.91
  4. Step 4: Simplify right side
    249,999.77x = 46,669,818,294.01
  5. Step 5: Solve for x
    x = 46,669,818,294.01/249,999.77
  6. Step 6: Final answer
    x = 186,679.44

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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.