Home / 421,110.02-581,191.10-268,099.34

Finding the Fourth Proportional to 421,110.02, 581,191.10 and 268,099.34

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Solution

The fourth proportional to 421,110.02, 581,191.10 and 268,099.34 is: 370,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,110.02 : 581,191.10 = 268,099.34 : x
  2. Step 2: Convert to fraction form
    421,110.02/581,191.10 = 268,099.34/x
  3. Step 3: Cross multiply
    421,110.02x = 581,191.10 × 268,099.34
  4. Step 4: Simplify right side
    421,110.02x = 155,816,947,082.79
  5. Step 5: Solve for x
    x = 155,816,947,082.79/421,110.02
  6. Step 6: Final answer
    x = 370,014.82

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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.