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Finding the Fourth Proportional to 219,340.32, 302,690.60 and 118,738.32

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Solution

The fourth proportional to 219,340.32, 302,690.60 and 118,738.32 is: 163,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,340.32 : 302,690.60 = 118,738.32 : x
  2. Step 2: Convert to fraction form
    219,340.32/302,690.60 = 118,738.32/x
  3. Step 3: Cross multiply
    219,340.32x = 302,690.60 × 118,738.32
  4. Step 4: Simplify right side
    219,340.32x = 35,940,973,323.79
  5. Step 5: Solve for x
    x = 35,940,973,323.79/219,340.32
  6. Step 6: Final answer
    x = 163,859.40

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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.