Home / 312,629.40-468,944.10-146,741.40

Finding the Fourth Proportional to 312,629.40, 468,944.10 and 146,741.40

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Solution

The fourth proportional to 312,629.40, 468,944.10 and 146,741.40 is: 220,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,629.40 : 468,944.10 = 146,741.40 : x
  2. Step 2: Convert to fraction form
    312,629.40/468,944.10 = 146,741.40/x
  3. Step 3: Cross multiply
    312,629.40x = 468,944.10 × 146,741.40
  4. Step 4: Simplify right side
    312,629.40x = 68,813,513,755.74
  5. Step 5: Solve for x
    x = 68,813,513,755.74/312,629.40
  6. Step 6: Final answer
    x = 220,112.10

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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.