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Finding the Fourth Proportional to 175,064.40, 245,790 and 175,064.40

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Solution

The fourth proportional to 175,064.40, 245,790 and 175,064.40 is: 245,790

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,064.40 : 245,790 = 175,064.40 : x
  2. Step 2: Convert to fraction form
    175,064.40/245,790 = 175,064.40/x
  3. Step 3: Cross multiply
    175,064.40x = 245,790 × 175,064.40
  4. Step 4: Simplify right side
    175,064.40x = 43,029,078,876
  5. Step 5: Solve for x
    x = 43,029,078,876/175,064.40
  6. Step 6: Final answer
    x = 245,790

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.