Home / 636,565.05-954,965.65-210,130.58

Finding the Fourth Proportional to 636,565.05, 954,965.65 and 210,130.58

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Solution

The fourth proportional to 636,565.05, 954,965.65 and 210,130.58 is: 315,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,565.05 : 954,965.65 = 210,130.58 : x
  2. Step 2: Convert to fraction form
    636,565.05/954,965.65 = 210,130.58/x
  3. Step 3: Cross multiply
    636,565.05x = 954,965.65 × 210,130.58
  4. Step 4: Simplify right side
    636,565.05x = 200,667,487,776.67
  5. Step 5: Solve for x
    x = 200,667,487,776.67/636,565.05
  6. Step 6: Final answer
    x = 315,234.85

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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.