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Finding the Fourth Proportional to 312,293.93, 468,370.76 and 143,652.29

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Solution

The fourth proportional to 312,293.93, 468,370.76 and 143,652.29 is: 215,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,293.93 : 468,370.76 = 143,652.29 : x
  2. Step 2: Convert to fraction form
    312,293.93/468,370.76 = 143,652.29/x
  3. Step 3: Cross multiply
    312,293.93x = 468,370.76 × 143,652.29
  4. Step 4: Simplify right side
    312,293.93x = 67,282,529,182.93
  5. Step 5: Solve for x
    x = 67,282,529,182.93/312,293.93
  6. Step 6: Final answer
    x = 215,446.17

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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.