Home / 389,255.74-583,603.38-239,185.96

Finding the Fourth Proportional to 389,255.74, 583,603.38 and 239,185.96

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Solution

The fourth proportional to 389,255.74, 583,603.38 and 239,185.96 is: 358,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,255.74 : 583,603.38 = 239,185.96 : x
  2. Step 2: Convert to fraction form
    389,255.74/583,603.38 = 239,185.96/x
  3. Step 3: Cross multiply
    389,255.74x = 583,603.38 × 239,185.96
  4. Step 4: Simplify right side
    389,255.74x = 139,589,736,528.31
  5. Step 5: Solve for x
    x = 139,589,736,528.31/389,255.74
  6. Step 6: Final answer
    x = 358,606.75

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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.