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Finding the Fourth Proportional to 580,608.12, 870,912.26 and 181,283.10

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Solution

The fourth proportional to 580,608.12, 870,912.26 and 181,283.10 is: 271,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608.12 : 870,912.26 = 181,283.10 : x
  2. Step 2: Convert to fraction form
    580,608.12/870,912.26 = 181,283.10/x
  3. Step 3: Cross multiply
    580,608.12x = 870,912.26 × 181,283.10
  4. Step 4: Simplify right side
    580,608.12x = 157,881,674,320.81
  5. Step 5: Solve for x
    x = 157,881,674,320.81/580,608.12
  6. Step 6: Final answer
    x = 271,924.67

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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.