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Finding the Fourth Proportional to 249,171.71, 343,852.08 and 135,995.27

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Solution

The fourth proportional to 249,171.71, 343,852.08 and 135,995.27 is: 187,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,171.71 : 343,852.08 = 135,995.27 : x
  2. Step 2: Convert to fraction form
    249,171.71/343,852.08 = 135,995.27/x
  3. Step 3: Cross multiply
    249,171.71x = 343,852.08 × 135,995.27
  4. Step 4: Simplify right side
    249,171.71x = 46,762,256,459.66
  5. Step 5: Solve for x
    x = 46,762,256,459.66/249,171.71
  6. Step 6: Final answer
    x = 187,670.81

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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.