Home / 445,986.93-615,462.39-242,037.90

Finding the Fourth Proportional to 445,986.93, 615,462.39 and 242,037.90

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Solution

The fourth proportional to 445,986.93, 615,462.39 and 242,037.90 is: 334,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,986.93 : 615,462.39 = 242,037.90 : x
  2. Step 2: Convert to fraction form
    445,986.93/615,462.39 = 242,037.90/x
  3. Step 3: Cross multiply
    445,986.93x = 615,462.39 × 242,037.90
  4. Step 4: Simplify right side
    445,986.93x = 148,965,224,404.58
  5. Step 5: Solve for x
    x = 148,965,224,404.58/445,986.93
  6. Step 6: Final answer
    x = 334,012.53

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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.