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Finding the Fourth Proportional to 342,364.40, 513,935.40 and 184,511.60

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Solution

The fourth proportional to 342,364.40, 513,935.40 and 184,511.60 is: 276,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,364.40 : 513,935.40 = 184,511.60 : x
  2. Step 2: Convert to fraction form
    342,364.40/513,935.40 = 184,511.60/x
  3. Step 3: Cross multiply
    342,364.40x = 513,935.40 × 184,511.60
  4. Step 4: Simplify right side
    342,364.40x = 94,827,042,950.64
  5. Step 5: Solve for x
    x = 94,827,042,950.64/342,364.40
  6. Step 6: Final answer
    x = 276,976.94

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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.