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Finding the Fourth Proportional to 117,482.23, 176,398.31 and 47,498.23

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Solution

The fourth proportional to 117,482.23, 176,398.31 and 47,498.23 is: 71,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,482.23 : 176,398.31 = 47,498.23 : x
  2. Step 2: Convert to fraction form
    117,482.23/176,398.31 = 47,498.23/x
  3. Step 3: Cross multiply
    117,482.23x = 176,398.31 × 47,498.23
  4. Step 4: Simplify right side
    117,482.23x = 8,378,607,499.99
  5. Step 5: Solve for x
    x = 8,378,607,499.99/117,482.23
  6. Step 6: Final answer
    x = 71,318.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.