Home / 470,355.42-649,088.79-269,150.94

Finding the Fourth Proportional to 470,355.42, 649,088.79 and 269,150.94

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Solution

The fourth proportional to 470,355.42, 649,088.79 and 269,150.94 is: 371,427.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,355.42 : 649,088.79 = 269,150.94 : x
  2. Step 2: Convert to fraction form
    470,355.42/649,088.79 = 269,150.94/x
  3. Step 3: Cross multiply
    470,355.42x = 649,088.79 × 269,150.94
  4. Step 4: Simplify right side
    470,355.42x = 174,702,857,971.96
  5. Step 5: Solve for x
    x = 174,702,857,971.96/470,355.42
  6. Step 6: Final answer
    x = 371,427.33

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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.