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Finding the Fourth Proportional to 343,070.64, 473,393.16 and 192,167.64

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Solution

The fourth proportional to 343,070.64, 473,393.16 and 192,167.64 is: 265,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,070.64 : 473,393.16 = 192,167.64 : x
  2. Step 2: Convert to fraction form
    343,070.64/473,393.16 = 192,167.64/x
  3. Step 3: Cross multiply
    343,070.64x = 473,393.16 × 192,167.64
  4. Step 4: Simplify right side
    343,070.64x = 90,970,846,349.34
  5. Step 5: Solve for x
    x = 90,970,846,349.34/343,070.64
  6. Step 6: Final answer
    x = 265,166.52

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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.