Home / 384,664.86-530,849.71-210,231.24

Finding the Fourth Proportional to 384,664.86, 530,849.71 and 210,231.24

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Solution

The fourth proportional to 384,664.86, 530,849.71 and 210,231.24 is: 290,125.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,664.86 : 530,849.71 = 210,231.24 : x
  2. Step 2: Convert to fraction form
    384,664.86/530,849.71 = 210,231.24/x
  3. Step 3: Cross multiply
    384,664.86x = 530,849.71 × 210,231.24
  4. Step 4: Simplify right side
    384,664.86x = 111,601,191,602.34
  5. Step 5: Solve for x
    x = 111,601,191,602.34/384,664.86
  6. Step 6: Final answer
    x = 290,125.78

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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.