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Finding the Fourth Proportional to 354,264.50, 488,885.01 and 203,410.10

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Solution

The fourth proportional to 354,264.50, 488,885.01 and 203,410.10 is: 280,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,264.50 : 488,885.01 = 203,410.10 : x
  2. Step 2: Convert to fraction form
    354,264.50/488,885.01 = 203,410.10/x
  3. Step 3: Cross multiply
    354,264.50x = 488,885.01 × 203,410.10
  4. Step 4: Simplify right side
    354,264.50x = 99,444,148,772.60
  5. Step 5: Solve for x
    x = 99,444,148,772.60/354,264.50
  6. Step 6: Final answer
    x = 280,705.94

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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.