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Finding the Fourth Proportional to 560,571.72, 840,357.48 and 205,502.82

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Solution

The fourth proportional to 560,571.72, 840,357.48 and 205,502.82 is: 308,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,571.72 : 840,357.48 = 205,502.82 : x
  2. Step 2: Convert to fraction form
    560,571.72/840,357.48 = 205,502.82/x
  3. Step 3: Cross multiply
    560,571.72x = 840,357.48 × 205,502.82
  4. Step 4: Simplify right side
    560,571.72x = 172,695,831,948.09
  5. Step 5: Solve for x
    x = 172,695,831,948.09/560,571.72
  6. Step 6: Final answer
    x = 308,070.90

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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.