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Finding the Fourth Proportional to 311,313.65, 466,683.32 and 121,903.04

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Solution

The fourth proportional to 311,313.65, 466,683.32 and 121,903.04 is: 182,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,313.65 : 466,683.32 = 121,903.04 : x
  2. Step 2: Convert to fraction form
    311,313.65/466,683.32 = 121,903.04/x
  3. Step 3: Cross multiply
    311,313.65x = 466,683.32 × 121,903.04
  4. Step 4: Simplify right side
    311,313.65x = 56,890,116,896.76
  5. Step 5: Solve for x
    x = 56,890,116,896.76/311,313.65
  6. Step 6: Final answer
    x = 182,742.12

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1.5x scale

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.