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Finding the Fourth Proportional to 363,265.04, 501,297.90 and 210,309.68

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Solution

The fourth proportional to 363,265.04, 501,297.90 and 210,309.68 is: 290,222.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,265.04 : 501,297.90 = 210,309.68 : x
  2. Step 2: Convert to fraction form
    363,265.04/501,297.90 = 210,309.68/x
  3. Step 3: Cross multiply
    363,265.04x = 501,297.90 × 210,309.68
  4. Step 4: Simplify right side
    363,265.04x = 105,427,800,933.67
  5. Step 5: Solve for x
    x = 105,427,800,933.67/363,265.04
  6. Step 6: Final answer
    x = 290,222.81

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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.