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Finding the Fourth Proportional to 298,173.74, 447,165.23 and 98,456.90

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Solution

The fourth proportional to 298,173.74, 447,165.23 and 98,456.90 is: 147,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,173.74 : 447,165.23 = 98,456.90 : x
  2. Step 2: Convert to fraction form
    298,173.74/447,165.23 = 98,456.90/x
  3. Step 3: Cross multiply
    298,173.74x = 447,165.23 × 98,456.90
  4. Step 4: Simplify right side
    298,173.74x = 44,026,502,333.59
  5. Step 5: Solve for x
    x = 44,026,502,333.59/298,173.74
  6. Step 6: Final answer
    x = 147,653.86

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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.