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Finding the Fourth Proportional to 249,123, 343,797.04 and 135,953.04

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Solution

The fourth proportional to 249,123, 343,797.04 and 135,953.04 is: 187,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123 : 343,797.04 = 135,953.04 : x
  2. Step 2: Convert to fraction form
    249,123/343,797.04 = 135,953.04/x
  3. Step 3: Cross multiply
    249,123x = 343,797.04 × 135,953.04
  4. Step 4: Simplify right side
    249,123x = 46,740,252,731.00
  5. Step 5: Solve for x
    x = 46,740,252,731.00/249,123
  6. Step 6: Final answer
    x = 187,619.18

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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.