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Finding the Fourth Proportional to 371,654.55, 554,673.26 and 335,782.35

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Solution

The fourth proportional to 371,654.55, 554,673.26 and 335,782.35 is: 501,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,654.55 : 554,673.26 = 335,782.35 : x
  2. Step 2: Convert to fraction form
    371,654.55/554,673.26 = 335,782.35/x
  3. Step 3: Cross multiply
    371,654.55x = 554,673.26 × 335,782.35
  4. Step 4: Simplify right side
    371,654.55x = 186,249,491,564.42
  5. Step 5: Solve for x
    x = 186,249,491,564.42/371,654.55
  6. Step 6: Final answer
    x = 501,136.05

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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.