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Finding the Fourth Proportional to 344,570.40, 516,855.60 and 306,516.60

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Solution

The fourth proportional to 344,570.40, 516,855.60 and 306,516.60 is: 459,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,570.40 : 516,855.60 = 306,516.60 : x
  2. Step 2: Convert to fraction form
    344,570.40/516,855.60 = 306,516.60/x
  3. Step 3: Cross multiply
    344,570.40x = 516,855.60 × 306,516.60
  4. Step 4: Simplify right side
    344,570.40x = 158,424,821,202.96
  5. Step 5: Solve for x
    x = 158,424,821,202.96/344,570.40
  6. Step 6: Final answer
    x = 459,774.90

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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.