Home / 384,723.24-530,945.54-212,637.52

Finding the Fourth Proportional to 384,723.24, 530,945.54 and 212,637.52

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Solution

The fourth proportional to 384,723.24, 530,945.54 and 212,637.52 is: 293,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,723.24 : 530,945.54 = 212,637.52 : x
  2. Step 2: Convert to fraction form
    384,723.24/530,945.54 = 212,637.52/x
  3. Step 3: Cross multiply
    384,723.24x = 530,945.54 × 212,637.52
  4. Step 4: Simplify right side
    384,723.24x = 112,898,942,880.66
  5. Step 5: Solve for x
    x = 112,898,942,880.66/384,723.24
  6. Step 6: Final answer
    x = 293,454.96

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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.