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Finding the Fourth Proportional to 342,792.08, 473,955.72 and 300,228.56

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Solution

The fourth proportional to 342,792.08, 473,955.72 and 300,228.56 is: 415,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,792.08 : 473,955.72 = 300,228.56 : x
  2. Step 2: Convert to fraction form
    342,792.08/473,955.72 = 300,228.56/x
  3. Step 3: Cross multiply
    342,792.08x = 473,955.72 × 300,228.56
  4. Step 4: Simplify right side
    342,792.08x = 142,295,043,319.36
  5. Step 5: Solve for x
    x = 142,295,043,319.36/342,792.08
  6. Step 6: Final answer
    x = 415,105.98

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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.