Home / 445,960.42-615,425.77-242,011.34

Finding the Fourth Proportional to 445,960.42, 615,425.77 and 242,011.34

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Solution

The fourth proportional to 445,960.42, 615,425.77 and 242,011.34 is: 333,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,960.42 : 615,425.77 = 242,011.34 : x
  2. Step 2: Convert to fraction form
    445,960.42/615,425.77 = 242,011.34/x
  3. Step 3: Cross multiply
    445,960.42x = 615,425.77 × 242,011.34
  4. Step 4: Simplify right side
    445,960.42x = 148,940,014,801.46
  5. Step 5: Solve for x
    x = 148,940,014,801.46/445,960.42
  6. Step 6: Final answer
    x = 333,975.86

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1.5x scale

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.