Home / 384,319.17-576,828.58-204,555.51

Finding the Fourth Proportional to 384,319.17, 576,828.58 and 204,555.51

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Solution

The fourth proportional to 384,319.17, 576,828.58 and 204,555.51 is: 307,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,319.17 : 576,828.58 = 204,555.51 : x
  2. Step 2: Convert to fraction form
    384,319.17/576,828.58 = 204,555.51/x
  3. Step 3: Cross multiply
    384,319.17x = 576,828.58 × 204,555.51
  4. Step 4: Simplify right side
    384,319.17x = 117,993,464,364.48
  5. Step 5: Solve for x
    x = 117,993,464,364.48/384,319.17
  6. Step 6: Final answer
    x = 307,019.46

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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.