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Finding the Fourth Proportional to 293,503.32, 405,034.74 and 159,367.32

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Solution

The fourth proportional to 293,503.32, 405,034.74 and 159,367.32 is: 219,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,503.32 : 405,034.74 = 159,367.32 : x
  2. Step 2: Convert to fraction form
    293,503.32/405,034.74 = 159,367.32/x
  3. Step 3: Cross multiply
    293,503.32x = 405,034.74 × 159,367.32
  4. Step 4: Simplify right side
    293,503.32x = 64,549,301,020.70
  5. Step 5: Solve for x
    x = 64,549,301,020.70/293,503.32
  6. Step 6: Final answer
    x = 219,926.99

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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.