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Finding the Fourth Proportional to 435,133.22, 652,683.42 and 119,581.92

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Solution

The fourth proportional to 435,133.22, 652,683.42 and 119,581.92 is: 179,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,133.22 : 652,683.42 = 119,581.92 : x
  2. Step 2: Convert to fraction form
    435,133.22/652,683.42 = 119,581.92/x
  3. Step 3: Cross multiply
    435,133.22x = 652,683.42 × 119,581.92
  4. Step 4: Simplify right side
    435,133.22x = 78,049,136,515.77
  5. Step 5: Solve for x
    x = 78,049,136,515.77/435,133.22
  6. Step 6: Final answer
    x = 179,368.37

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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.