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Finding the Fourth Proportional to 281,523.58, 388,501.96 and 152,461.65

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Solution

The fourth proportional to 281,523.58, 388,501.96 and 152,461.65 is: 210,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,523.58 : 388,501.96 = 152,461.65 : x
  2. Step 2: Convert to fraction form
    281,523.58/388,501.96 = 152,461.65/x
  3. Step 3: Cross multiply
    281,523.58x = 388,501.96 × 152,461.65
  4. Step 4: Simplify right side
    281,523.58x = 59,231,649,468.68
  5. Step 5: Solve for x
    x = 59,231,649,468.68/281,523.58
  6. Step 6: Final answer
    x = 210,396.76

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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.