Home / 389,260.43-583,610.41-239,190.66

Finding the Fourth Proportional to 389,260.43, 583,610.41 and 239,190.66

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Solution

The fourth proportional to 389,260.43, 583,610.41 and 239,190.66 is: 358,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,260.43 : 583,610.41 = 239,190.66 : x
  2. Step 2: Convert to fraction form
    389,260.43/583,610.41 = 239,190.66/x
  3. Step 3: Cross multiply
    389,260.43x = 583,610.41 × 239,190.66
  4. Step 4: Simplify right side
    389,260.43x = 139,594,159,150.77
  5. Step 5: Solve for x
    x = 139,594,159,150.77/389,260.43
  6. Step 6: Final answer
    x = 358,613.80

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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.