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Finding the Fourth Proportional to 245,658.40, 367,612.80 and 170,425.60

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Solution

The fourth proportional to 245,658.40, 367,612.80 and 170,425.60 is: 255,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,658.40 : 367,612.80 = 170,425.60 : x
  2. Step 2: Convert to fraction form
    245,658.40/367,612.80 = 170,425.60/x
  3. Step 3: Cross multiply
    245,658.40x = 367,612.80 × 170,425.60
  4. Step 4: Simplify right side
    245,658.40x = 62,650,632,007.68
  5. Step 5: Solve for x
    x = 62,650,632,007.68/245,658.40
  6. Step 6: Final answer
    x = 255,031.51

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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.