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Finding the Fourth Proportional to 385,014.01, 574,701.02 and 339,563.29

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Solution

The fourth proportional to 385,014.01, 574,701.02 and 339,563.29 is: 506,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,014.01 : 574,701.02 = 339,563.29 : x
  2. Step 2: Convert to fraction form
    385,014.01/574,701.02 = 339,563.29/x
  3. Step 3: Cross multiply
    385,014.01x = 574,701.02 × 339,563.29
  4. Step 4: Simplify right side
    385,014.01x = 195,147,369,117.56
  5. Step 5: Solve for x
    x = 195,147,369,117.56/385,014.01
  6. Step 6: Final answer
    x = 506,857.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.