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Finding the Fourth Proportional to 298,827.36, 448,371.36 and 99,174.24

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Solution

The fourth proportional to 298,827.36, 448,371.36 and 99,174.24 is: 148,804.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,827.36 : 448,371.36 = 99,174.24 : x
  2. Step 2: Convert to fraction form
    298,827.36/448,371.36 = 99,174.24/x
  3. Step 3: Cross multiply
    298,827.36x = 448,371.36 × 99,174.24
  4. Step 4: Simplify right side
    298,827.36x = 44,466,888,865.77
  5. Step 5: Solve for x
    x = 44,466,888,865.77/298,827.36
  6. Step 6: Final answer
    x = 148,804.61

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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.