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Finding the Fourth Proportional to 473,637.63, 653,588.58 and 269,709.42

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Solution

The fourth proportional to 473,637.63, 653,588.58 and 269,709.42 is: 372,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,637.63 : 653,588.58 = 269,709.42 : x
  2. Step 2: Convert to fraction form
    473,637.63/653,588.58 = 269,709.42/x
  3. Step 3: Cross multiply
    473,637.63x = 653,588.58 × 269,709.42
  4. Step 4: Simplify right side
    473,637.63x = 176,278,996,830.42
  5. Step 5: Solve for x
    x = 176,278,996,830.42/473,637.63
  6. Step 6: Final answer
    x = 372,181.15

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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.