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Finding the Fourth Proportional to 343,246.32, 473,678.61 and 192,343.32

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Solution

The fourth proportional to 343,246.32, 473,678.61 and 192,343.32 is: 265,433.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,246.32 : 473,678.61 = 192,343.32 : x
  2. Step 2: Convert to fraction form
    343,246.32/473,678.61 = 192,343.32/x
  3. Step 3: Cross multiply
    343,246.32x = 473,678.61 × 192,343.32
  4. Step 4: Simplify right side
    343,246.32x = 91,108,916,460.39
  5. Step 5: Solve for x
    x = 91,108,916,460.39/343,246.32
  6. Step 6: Final answer
    x = 265,433.05

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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.