Home / 217,384.43-300,015.51-144,783.32

Finding the Fourth Proportional to 217,384.43, 300,015.51 and 144,783.32

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Solution

The fourth proportional to 217,384.43, 300,015.51 and 144,783.32 is: 199,817.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,384.43 : 300,015.51 = 144,783.32 : x
  2. Step 2: Convert to fraction form
    217,384.43/300,015.51 = 144,783.32/x
  3. Step 3: Cross multiply
    217,384.43x = 300,015.51 × 144,783.32
  4. Step 4: Simplify right side
    217,384.43x = 43,437,241,589.29
  5. Step 5: Solve for x
    x = 43,437,241,589.29/217,384.43
  6. Step 6: Final answer
    x = 199,817.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.