Home / 298,318.18-447,477.27-245,616.96

Finding the Fourth Proportional to 298,318.18, 447,477.27 and 245,616.96

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Solution

The fourth proportional to 298,318.18, 447,477.27 and 245,616.96 is: 368,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,318.18 : 447,477.27 = 245,616.96 : x
  2. Step 2: Convert to fraction form
    298,318.18/447,477.27 = 245,616.96/x
  3. Step 3: Cross multiply
    298,318.18x = 447,477.27 × 245,616.96
  4. Step 4: Simplify right side
    298,318.18x = 109,908,006,726.50
  5. Step 5: Solve for x
    x = 109,908,006,726.50/298,318.18
  6. Step 6: Final answer
    x = 368,425.44

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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.