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Finding the Fourth Proportional to 219,129.14, 302,412.48 and 123,600.98

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Solution

The fourth proportional to 219,129.14, 302,412.48 and 123,600.98 is: 170,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,129.14 : 302,412.48 = 123,600.98 : x
  2. Step 2: Convert to fraction form
    219,129.14/302,412.48 = 123,600.98/x
  3. Step 3: Cross multiply
    219,129.14x = 302,412.48 × 123,600.98
  4. Step 4: Simplify right side
    219,129.14x = 37,378,478,892.23
  5. Step 5: Solve for x
    x = 37,378,478,892.23/219,129.14
  6. Step 6: Final answer
    x = 170,577.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.