Home / 382,235.28-527,438.82-210,124.86

Finding the Fourth Proportional to 382,235.28, 527,438.82 and 210,124.86

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Solution

The fourth proportional to 382,235.28, 527,438.82 and 210,124.86 is: 289,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,235.28 : 527,438.82 = 210,124.86 : x
  2. Step 2: Convert to fraction form
    382,235.28/527,438.82 = 210,124.86/x
  3. Step 3: Cross multiply
    382,235.28x = 527,438.82 × 210,124.86
  4. Step 4: Simplify right side
    382,235.28x = 110,828,008,211.07
  5. Step 5: Solve for x
    x = 110,828,008,211.07/382,235.28
  6. Step 6: Final answer
    x = 289,947.09

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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.