Home / 354,001.32-488,549.70-201,087.72

Finding the Fourth Proportional to 354,001.32, 488,549.70 and 201,087.72

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Solution

The fourth proportional to 354,001.32, 488,549.70 and 201,087.72 is: 277,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,001.32 : 488,549.70 = 201,087.72 : x
  2. Step 2: Convert to fraction form
    354,001.32/488,549.70 = 201,087.72/x
  3. Step 3: Cross multiply
    354,001.32x = 488,549.70 × 201,087.72
  4. Step 4: Simplify right side
    354,001.32x = 98,241,345,279.68
  5. Step 5: Solve for x
    x = 98,241,345,279.68/354,001.32
  6. Step 6: Final answer
    x = 277,516.89

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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.