Home / 307,624.23-424,470.58-205,485.86

Finding the Fourth Proportional to 307,624.23, 424,470.58 and 205,485.86

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Solution

The fourth proportional to 307,624.23, 424,470.58 and 205,485.86 is: 283,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,624.23 : 424,470.58 = 205,485.86 : x
  2. Step 2: Convert to fraction form
    307,624.23/424,470.58 = 205,485.86/x
  3. Step 3: Cross multiply
    307,624.23x = 424,470.58 × 205,485.86
  4. Step 4: Simplify right side
    307,624.23x = 87,222,702,723.46
  5. Step 5: Solve for x
    x = 87,222,702,723.46/307,624.23
  6. Step 6: Final answer
    x = 283,536.52

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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.