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Finding the Fourth Proportional to 188,493.81, 282,740.53 and 48,252.21

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Solution

The fourth proportional to 188,493.81, 282,740.53 and 48,252.21 is: 72,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,493.81 : 282,740.53 = 48,252.21 : x
  2. Step 2: Convert to fraction form
    188,493.81/282,740.53 = 48,252.21/x
  3. Step 3: Cross multiply
    188,493.81x = 282,740.53 × 48,252.21
  4. Step 4: Simplify right side
    188,493.81x = 13,642,855,429.07
  5. Step 5: Solve for x
    x = 13,642,855,429.07/188,493.81
  6. Step 6: Final answer
    x = 72,378.27

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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.