Home / 470,406.72-649,166.81-255,550.17

Finding the Fourth Proportional to 470,406.72, 649,166.81 and 255,550.17

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Solution

The fourth proportional to 470,406.72, 649,166.81 and 255,550.17 is: 352,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,406.72 : 649,166.81 = 255,550.17 : x
  2. Step 2: Convert to fraction form
    470,406.72/649,166.81 = 255,550.17/x
  3. Step 3: Cross multiply
    470,406.72x = 649,166.81 × 255,550.17
  4. Step 4: Simplify right side
    470,406.72x = 165,894,688,653.86
  5. Step 5: Solve for x
    x = 165,894,688,653.86/470,406.72
  6. Step 6: Final answer
    x = 352,662.24

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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.