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Finding the Fourth Proportional to 219,174.30, 328,534.65 and 119,123.10

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Solution

The fourth proportional to 219,174.30, 328,534.65 and 119,123.10 is: 178,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,174.30 : 328,534.65 = 119,123.10 : x
  2. Step 2: Convert to fraction form
    219,174.30/328,534.65 = 119,123.10/x
  3. Step 3: Cross multiply
    219,174.30x = 328,534.65 × 119,123.10
  4. Step 4: Simplify right side
    219,174.30x = 39,136,065,965.42
  5. Step 5: Solve for x
    x = 39,136,065,965.42/219,174.30
  6. Step 6: Final answer
    x = 178,561.38

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