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Finding the Fourth Proportional to 361,949.34, 499,503.42 and 218,681.67

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Solution

The fourth proportional to 361,949.34, 499,503.42 and 218,681.67 is: 301,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,949.34 : 499,503.42 = 218,681.67 : x
  2. Step 2: Convert to fraction form
    361,949.34/499,503.42 = 218,681.67/x
  3. Step 3: Cross multiply
    361,949.34x = 499,503.42 × 218,681.67
  4. Step 4: Simplify right side
    361,949.34x = 109,232,242,056.31
  5. Step 5: Solve for x
    x = 109,232,242,056.31/361,949.34
  6. Step 6: Final answer
    x = 301,788.76

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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.