Home / 389,979.98-584,853.74-165,336.81

Finding the Fourth Proportional to 389,979.98, 584,853.74 and 165,336.81

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Solution

The fourth proportional to 389,979.98, 584,853.74 and 165,336.81 is: 247,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,979.98 : 584,853.74 = 165,336.81 : x
  2. Step 2: Convert to fraction form
    389,979.98/584,853.74 = 165,336.81/x
  3. Step 3: Cross multiply
    389,979.98x = 584,853.74 × 165,336.81
  4. Step 4: Simplify right side
    389,979.98x = 96,697,850,861.49
  5. Step 5: Solve for x
    x = 96,697,850,861.49/389,979.98
  6. Step 6: Final answer
    x = 247,955.94

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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.