Home / 474,118.08-711,158.09-261,307.86

Finding the Fourth Proportional to 474,118.08, 711,158.09 and 261,307.86

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Solution

The fourth proportional to 474,118.08, 711,158.09 and 261,307.86 is: 391,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,118.08 : 711,158.09 = 261,307.86 : x
  2. Step 2: Convert to fraction form
    474,118.08/711,158.09 = 261,307.86/x
  3. Step 3: Cross multiply
    474,118.08x = 711,158.09 × 261,307.86
  4. Step 4: Simplify right side
    474,118.08x = 185,831,197,313.05
  5. Step 5: Solve for x
    x = 185,831,197,313.05/474,118.08
  6. Step 6: Final answer
    x = 391,951.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.