Home / 315,181.10-434,950.94-171,944.15

Finding the Fourth Proportional to 315,181.10, 434,950.94 and 171,944.15

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Solution

The fourth proportional to 315,181.10, 434,950.94 and 171,944.15 is: 237,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,181.10 : 434,950.94 = 171,944.15 : x
  2. Step 2: Convert to fraction form
    315,181.10/434,950.94 = 171,944.15/x
  3. Step 3: Cross multiply
    315,181.10x = 434,950.94 × 171,944.15
  4. Step 4: Simplify right side
    315,181.10x = 74,787,266,635.53
  5. Step 5: Solve for x
    x = 74,787,266,635.53/315,181.10
  6. Step 6: Final answer
    x = 237,283.47

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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.