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Finding the Fourth Proportional to 343,452.41, 473,416.89 and 270,736.81

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Solution

The fourth proportional to 343,452.41, 473,416.89 and 270,736.81 is: 373,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,452.41 : 473,416.89 = 270,736.81 : x
  2. Step 2: Convert to fraction form
    343,452.41/473,416.89 = 270,736.81/x
  3. Step 3: Cross multiply
    343,452.41x = 473,416.89 × 270,736.81
  4. Step 4: Simplify right side
    343,452.41x = 128,171,376,399.92
  5. Step 5: Solve for x
    x = 128,171,376,399.92/343,452.41
  6. Step 6: Final answer
    x = 373,185.26

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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.