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Finding the Fourth Proportional to 364,046.24, 502,409.04 and 220,812.32

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Solution

The fourth proportional to 364,046.24, 502,409.04 and 220,812.32 is: 304,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,046.24 : 502,409.04 = 220,812.32 : x
  2. Step 2: Convert to fraction form
    364,046.24/502,409.04 = 220,812.32/x
  3. Step 3: Cross multiply
    364,046.24x = 502,409.04 × 220,812.32
  4. Step 4: Simplify right side
    364,046.24x = 110,938,105,711.37
  5. Step 5: Solve for x
    x = 110,938,105,711.37/364,046.24
  6. Step 6: Final answer
    x = 304,736.30

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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.