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Finding the Fourth Proportional to 299,637.04, 413,499.08 and 172,309.84

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Solution

The fourth proportional to 299,637.04, 413,499.08 and 172,309.84 is: 237,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,637.04 : 413,499.08 = 172,309.84 : x
  2. Step 2: Convert to fraction form
    299,637.04/413,499.08 = 172,309.84/x
  3. Step 3: Cross multiply
    299,637.04x = 413,499.08 × 172,309.84
  4. Step 4: Simplify right side
    299,637.04x = 71,249,960,314.95
  5. Step 5: Solve for x
    x = 71,249,960,314.95/299,637.04
  6. Step 6: Final answer
    x = 237,787.56

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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.