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Finding the Fourth Proportional to 364,382.54, 502,848.60 and 203,248.03

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Solution

The fourth proportional to 364,382.54, 502,848.60 and 203,248.03 is: 280,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,382.54 : 502,848.60 = 203,248.03 : x
  2. Step 2: Convert to fraction form
    364,382.54/502,848.60 = 203,248.03/x
  3. Step 3: Cross multiply
    364,382.54x = 502,848.60 × 203,248.03
  4. Step 4: Simplify right side
    364,382.54x = 102,202,983,807.78
  5. Step 5: Solve for x
    x = 102,202,983,807.78/364,382.54
  6. Step 6: Final answer
    x = 280,482.66

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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.