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Finding the Fourth Proportional to 473,586.63, 653,579.70 and 269,655.36

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Solution

The fourth proportional to 473,586.63, 653,579.70 and 269,655.36 is: 372,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,586.63 : 653,579.70 = 269,655.36 : x
  2. Step 2: Convert to fraction form
    473,586.63/653,579.70 = 269,655.36/x
  3. Step 3: Cross multiply
    473,586.63x = 653,579.70 × 269,655.36
  4. Step 4: Simplify right side
    473,586.63x = 176,241,269,292.19
  5. Step 5: Solve for x
    x = 176,241,269,292.19/473,586.63
  6. Step 6: Final answer
    x = 372,141.56

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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.