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Finding the Fourth Proportional to 538,442.32, 808,038.24 and 222,900.88

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Solution

The fourth proportional to 538,442.32, 808,038.24 and 222,900.88 is: 334,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,442.32 : 808,038.24 = 222,900.88 : x
  2. Step 2: Convert to fraction form
    538,442.32/808,038.24 = 222,900.88/x
  3. Step 3: Cross multiply
    538,442.32x = 808,038.24 × 222,900.88
  4. Step 4: Simplify right side
    538,442.32x = 180,112,434,769.65
  5. Step 5: Solve for x
    x = 180,112,434,769.65/538,442.32
  6. Step 6: Final answer
    x = 334,506.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.