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Finding the Fourth Proportional to 364,627.40, 545,628.90 and 246,529.40

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Solution

The fourth proportional to 364,627.40, 545,628.90 and 246,529.40 is: 368,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,627.40 : 545,628.90 = 246,529.40 : x
  2. Step 2: Convert to fraction form
    364,627.40/545,628.90 = 246,529.40/x
  3. Step 3: Cross multiply
    364,627.40x = 545,628.90 × 246,529.40
  4. Step 4: Simplify right side
    364,627.40x = 134,513,565,339.66
  5. Step 5: Solve for x
    x = 134,513,565,339.66/364,627.40
  6. Step 6: Final answer
    x = 368,906.90

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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.