Home / 247,056.90-340,682.13-211,365.06

Finding the Fourth Proportional to 247,056.90, 340,682.13 and 211,365.06

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Solution

The fourth proportional to 247,056.90, 340,682.13 and 211,365.06 is: 291,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,056.90 : 340,682.13 = 211,365.06 : x
  2. Step 2: Convert to fraction form
    247,056.90/340,682.13 = 211,365.06/x
  3. Step 3: Cross multiply
    247,056.90x = 340,682.13 × 211,365.06
  4. Step 4: Simplify right side
    247,056.90x = 72,008,298,848.38
  5. Step 5: Solve for x
    x = 72,008,298,848.38/247,056.90
  6. Step 6: Final answer
    x = 291,464.43

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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.