Home / 426,226.34-638,804.90-226,052.66

Finding the Fourth Proportional to 426,226.34, 638,804.90 and 226,052.66

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Solution

The fourth proportional to 426,226.34, 638,804.90 and 226,052.66 is: 338,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,226.34 : 638,804.90 = 226,052.66 : x
  2. Step 2: Convert to fraction form
    426,226.34/638,804.90 = 226,052.66/x
  3. Step 3: Cross multiply
    426,226.34x = 638,804.90 × 226,052.66
  4. Step 4: Simplify right side
    426,226.34x = 144,403,546,866.03
  5. Step 5: Solve for x
    x = 144,403,546,866.03/426,226.34
  6. Step 6: Final answer
    x = 338,795.46

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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.