Home / 470,311.25-649,038.07-266,404.50

Finding the Fourth Proportional to 470,311.25, 649,038.07 and 266,404.50

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Solution

The fourth proportional to 470,311.25, 649,038.07 and 266,404.50 is: 367,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,311.25 : 649,038.07 = 266,404.50 : x
  2. Step 2: Convert to fraction form
    470,311.25/649,038.07 = 266,404.50/x
  3. Step 3: Cross multiply
    470,311.25x = 649,038.07 × 266,404.50
  4. Step 4: Simplify right side
    470,311.25x = 172,906,665,215.82
  5. Step 5: Solve for x
    x = 172,906,665,215.82/470,311.25
  6. Step 6: Final answer
    x = 367,643.06

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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.