Home / 446,305.30-615,899.31-242,354.56

Finding the Fourth Proportional to 446,305.30, 615,899.31 and 242,354.56

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Solution

The fourth proportional to 446,305.30, 615,899.31 and 242,354.56 is: 334,448.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,305.30 : 615,899.31 = 242,354.56 : x
  2. Step 2: Convert to fraction form
    446,305.30/615,899.31 = 242,354.56/x
  3. Step 3: Cross multiply
    446,305.30x = 615,899.31 × 242,354.56
  4. Step 4: Simplify right side
    446,305.30x = 149,266,006,279.35
  5. Step 5: Solve for x
    x = 149,266,006,279.35/446,305.30
  6. Step 6: Final answer
    x = 334,448.20

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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.