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Finding the Fourth Proportional to 249,058, 343,700.04 and 135,883.20

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Solution

The fourth proportional to 249,058, 343,700.04 and 135,883.20 is: 187,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,058 : 343,700.04 = 135,883.20 : x
  2. Step 2: Convert to fraction form
    249,058/343,700.04 = 135,883.20/x
  3. Step 3: Cross multiply
    249,058x = 343,700.04 × 135,883.20
  4. Step 4: Simplify right side
    249,058x = 46,703,061,275.33
  5. Step 5: Solve for x
    x = 46,703,061,275.33/249,058
  6. Step 6: Final answer
    x = 187,518.82

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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.