Home / 307,298.44-424,099.70-186,470.34

Finding the Fourth Proportional to 307,298.44, 424,099.70 and 186,470.34

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Solution

The fourth proportional to 307,298.44, 424,099.70 and 186,470.34 is: 257,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,298.44 : 424,099.70 = 186,470.34 : x
  2. Step 2: Convert to fraction form
    307,298.44/424,099.70 = 186,470.34/x
  3. Step 3: Cross multiply
    307,298.44x = 424,099.70 × 186,470.34
  4. Step 4: Simplify right side
    307,298.44x = 79,082,015,252.90
  5. Step 5: Solve for x
    x = 79,082,015,252.90/307,298.44
  6. Step 6: Final answer
    x = 257,345.97

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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.