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Finding the Fourth Proportional to 538,604.03, 807,926.48 and 201,609.20

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Solution

The fourth proportional to 538,604.03, 807,926.48 and 201,609.20 is: 302,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,604.03 : 807,926.48 = 201,609.20 : x
  2. Step 2: Convert to fraction form
    538,604.03/807,926.48 = 201,609.20/x
  3. Step 3: Cross multiply
    538,604.03x = 807,926.48 × 201,609.20
  4. Step 4: Simplify right side
    538,604.03x = 162,885,411,291.62
  5. Step 5: Solve for x
    x = 162,885,411,291.62/538,604.03
  6. Step 6: Final answer
    x = 302,421.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.