Home / 222,880.48-307,565.04-122,276.32

Finding the Fourth Proportional to 222,880.48, 307,565.04 and 122,276.32

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Solution

The fourth proportional to 222,880.48, 307,565.04 and 122,276.32 is: 168,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,880.48 : 307,565.04 = 122,276.32 : x
  2. Step 2: Convert to fraction form
    222,880.48/307,565.04 = 122,276.32/x
  3. Step 3: Cross multiply
    222,880.48x = 307,565.04 × 122,276.32
  4. Step 4: Simplify right side
    222,880.48x = 37,607,921,251.85
  5. Step 5: Solve for x
    x = 37,607,921,251.85/222,880.48
  6. Step 6: Final answer
    x = 168,735.82

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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.