Home / 445,929.62-615,207.69-254,840.49

Finding the Fourth Proportional to 445,929.62, 615,207.69 and 254,840.49

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Solution

The fourth proportional to 445,929.62, 615,207.69 and 254,840.49 is: 351,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,929.62 : 615,207.69 = 254,840.49 : x
  2. Step 2: Convert to fraction form
    445,929.62/615,207.69 = 254,840.49/x
  3. Step 3: Cross multiply
    445,929.62x = 615,207.69 × 254,840.49
  4. Step 4: Simplify right side
    445,929.62x = 156,779,829,171.37
  5. Step 5: Solve for x
    x = 156,779,829,171.37/445,929.62
  6. Step 6: Final answer
    x = 351,579.76

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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.