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Finding the Fourth Proportional to 435,091, 652,636.50 and 154,619.32

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Solution

The fourth proportional to 435,091, 652,636.50 and 154,619.32 is: 231,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,091 : 652,636.50 = 154,619.32 : x
  2. Step 2: Convert to fraction form
    435,091/652,636.50 = 154,619.32/x
  3. Step 3: Cross multiply
    435,091x = 652,636.50 × 154,619.32
  4. Step 4: Simplify right side
    435,091x = 100,910,211,837.18
  5. Step 5: Solve for x
    x = 100,910,211,837.18/435,091
  6. Step 6: Final answer
    x = 231,928.98

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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.