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Finding the Fourth Proportional to 117,224.65, 175,835.59 and 28,478.24

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Solution

The fourth proportional to 117,224.65, 175,835.59 and 28,478.24 is: 42,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,224.65 : 175,835.59 = 28,478.24 : x
  2. Step 2: Convert to fraction form
    117,224.65/175,835.59 = 28,478.24/x
  3. Step 3: Cross multiply
    117,224.65x = 175,835.59 × 28,478.24
  4. Step 4: Simplify right side
    117,224.65x = 5,007,487,110.99
  5. Step 5: Solve for x
    x = 5,007,487,110.99/117,224.65
  6. Step 6: Final answer
    x = 42,717.02

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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.