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Finding the Fourth Proportional to 251,573.82, 377,283.91 and 71,673.93

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Solution

The fourth proportional to 251,573.82, 377,283.91 and 71,673.93 is: 107,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,573.82 : 377,283.91 = 71,673.93 : x
  2. Step 2: Convert to fraction form
    251,573.82/377,283.91 = 71,673.93/x
  3. Step 3: Cross multiply
    251,573.82x = 377,283.91 × 71,673.93
  4. Step 4: Simplify right side
    251,573.82x = 27,041,420,555.47
  5. Step 5: Solve for x
    x = 27,041,420,555.47/251,573.82
  6. Step 6: Final answer
    x = 107,489.01

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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.