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Finding the Fourth Proportional to 245,994.94, 339,455.91 and 145,373.50

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Solution

The fourth proportional to 245,994.94, 339,455.91 and 145,373.50 is: 200,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,994.94 : 339,455.91 = 145,373.50 : x
  2. Step 2: Convert to fraction form
    245,994.94/339,455.91 = 145,373.50/x
  3. Step 3: Cross multiply
    245,994.94x = 339,455.91 × 145,373.50
  4. Step 4: Simplify right side
    245,994.94x = 49,347,893,732.39
  5. Step 5: Solve for x
    x = 49,347,893,732.39/245,994.94
  6. Step 6: Final answer
    x = 200,605.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.