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Finding the Fourth Proportional to 299,666.01, 413,551.68 and 172,341.72

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Solution

The fourth proportional to 299,666.01, 413,551.68 and 172,341.72 is: 237,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,666.01 : 413,551.68 = 172,341.72 : x
  2. Step 2: Convert to fraction form
    299,666.01/413,551.68 = 172,341.72/x
  3. Step 3: Cross multiply
    299,666.01x = 413,551.68 × 172,341.72
  4. Step 4: Simplify right side
    299,666.01x = 71,272,207,840.09
  5. Step 5: Solve for x
    x = 71,272,207,840.09/299,666.01
  6. Step 6: Final answer
    x = 237,838.81

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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.