Home / 385,150.50-531,497.70-213,074.82

Finding the Fourth Proportional to 385,150.50, 531,497.70 and 213,074.82

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Solution

The fourth proportional to 385,150.50, 531,497.70 and 213,074.82 is: 294,037.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,150.50 : 531,497.70 = 213,074.82 : x
  2. Step 2: Convert to fraction form
    385,150.50/531,497.70 = 213,074.82/x
  3. Step 3: Cross multiply
    385,150.50x = 531,497.70 × 213,074.82
  4. Step 4: Simplify right side
    385,150.50x = 113,248,776,757.91
  5. Step 5: Solve for x
    x = 113,248,776,757.91/385,150.50
  6. Step 6: Final answer
    x = 294,037.72

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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.