Home / 312,608.42-468,378.39-223,406.18

Finding the Fourth Proportional to 312,608.42, 468,378.39 and 223,406.18

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Solution

The fourth proportional to 312,608.42, 468,378.39 and 223,406.18 is: 334,727.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,608.42 : 468,378.39 = 223,406.18 : x
  2. Step 2: Convert to fraction form
    312,608.42/468,378.39 = 223,406.18/x
  3. Step 3: Cross multiply
    312,608.42x = 468,378.39 × 223,406.18
  4. Step 4: Simplify right side
    312,608.42x = 104,638,626,904.45
  5. Step 5: Solve for x
    x = 104,638,626,904.45/312,608.42
  6. Step 6: Final answer
    x = 334,727.47

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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.