Home / 389,293.93-583,584.13-136,436.58

Finding the Fourth Proportional to 389,293.93, 583,584.13 and 136,436.58

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Solution

The fourth proportional to 389,293.93, 583,584.13 and 136,436.58 is: 204,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,293.93 : 583,584.13 = 136,436.58 : x
  2. Step 2: Convert to fraction form
    389,293.93/583,584.13 = 136,436.58/x
  3. Step 3: Cross multiply
    389,293.93x = 583,584.13 × 136,436.58
  4. Step 4: Simplify right side
    389,293.93x = 79,622,223,393.75
  5. Step 5: Solve for x
    x = 79,622,223,393.75/389,293.93
  6. Step 6: Final answer
    x = 204,529.84

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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.