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Finding the Fourth Proportional to 435,564, 653,370.60 and 155,081.25

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Solution

The fourth proportional to 435,564, 653,370.60 and 155,081.25 is: 232,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,564 : 653,370.60 = 155,081.25 : x
  2. Step 2: Convert to fraction form
    435,564/653,370.60 = 155,081.25/x
  3. Step 3: Cross multiply
    435,564x = 653,370.60 × 155,081.25
  4. Step 4: Simplify right side
    435,564x = 101,325,529,942.81
  5. Step 5: Solve for x
    x = 101,325,529,942.81/435,564
  6. Step 6: Final answer
    x = 232,630.64

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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.