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Finding the Fourth Proportional to 361,852.59, 499,344.75 and 218,587.69

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Solution

The fourth proportional to 361,852.59, 499,344.75 and 218,587.69 is: 301,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,852.59 : 499,344.75 = 218,587.69 : x
  2. Step 2: Convert to fraction form
    361,852.59/499,344.75 = 218,587.69/x
  3. Step 3: Cross multiply
    361,852.59x = 499,344.75 × 218,587.69
  4. Step 4: Simplify right side
    361,852.59x = 109,150,615,416.13
  5. Step 5: Solve for x
    x = 109,150,615,416.13/361,852.59
  6. Step 6: Final answer
    x = 301,643.87

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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.