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Finding the Fourth Proportional to 245,239.25, 367,952.27 and 85,332.94

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Solution

The fourth proportional to 245,239.25, 367,952.27 and 85,332.94 is: 128,031.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,239.25 : 367,952.27 = 85,332.94 : x
  2. Step 2: Convert to fraction form
    245,239.25/367,952.27 = 85,332.94/x
  3. Step 3: Cross multiply
    245,239.25x = 367,952.27 × 85,332.94
  4. Step 4: Simplify right side
    245,239.25x = 31,398,450,181.96
  5. Step 5: Solve for x
    x = 31,398,450,181.96/245,239.25
  6. Step 6: Final answer
    x = 128,031.92

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1.5x scale

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.