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Finding the Fourth Proportional to 560,557.80, 840,710.61 and 161,109.54

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Solution

The fourth proportional to 560,557.80, 840,710.61 and 161,109.54 is: 241,628.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,557.80 : 840,710.61 = 161,109.54 : x
  2. Step 2: Convert to fraction form
    560,557.80/840,710.61 = 161,109.54/x
  3. Step 3: Cross multiply
    560,557.80x = 840,710.61 × 161,109.54
  4. Step 4: Simplify right side
    560,557.80x = 135,446,499,650.22
  5. Step 5: Solve for x
    x = 135,446,499,650.22/560,557.80
  6. Step 6: Final answer
    x = 241,628.07

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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.