Home / 668,385.81-1,002,637.83-188,617.83

Finding the Fourth Proportional to 668,385.81, 1,002,637.83 and 188,617.83

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Solution

The fourth proportional to 668,385.81, 1,002,637.83 and 188,617.83 is: 282,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,385.81 : 1,002,637.83 = 188,617.83 : x
  2. Step 2: Convert to fraction form
    668,385.81/1,002,637.83 = 188,617.83/x
  3. Step 3: Cross multiply
    668,385.81x = 1,002,637.83 × 188,617.83
  4. Step 4: Simplify right side
    668,385.81x = 189,115,371,770.51
  5. Step 5: Solve for x
    x = 189,115,371,770.51/668,385.81
  6. Step 6: Final answer
    x = 282,943.43

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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.