Home / 470,943.90-649,868.67-266,998.86

Finding the Fourth Proportional to 470,943.90, 649,868.67 and 266,998.86

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Solution

The fourth proportional to 470,943.90, 649,868.67 and 266,998.86 is: 368,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,943.90 : 649,868.67 = 266,998.86 : x
  2. Step 2: Convert to fraction form
    470,943.90/649,868.67 = 266,998.86/x
  3. Step 3: Cross multiply
    470,943.90x = 649,868.67 × 266,998.86
  4. Step 4: Simplify right side
    470,943.90x = 173,514,194,039.72
  5. Step 5: Solve for x
    x = 173,514,194,039.72/470,943.90
  6. Step 6: Final answer
    x = 368,439.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.