Home / 470,645.04-649,495.19-255,785.12

Finding the Fourth Proportional to 470,645.04, 649,495.19 and 255,785.12

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Solution

The fourth proportional to 470,645.04, 649,495.19 and 255,785.12 is: 352,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,645.04 : 649,495.19 = 255,785.12 : x
  2. Step 2: Convert to fraction form
    470,645.04/649,495.19 = 255,785.12/x
  3. Step 3: Cross multiply
    470,645.04x = 649,495.19 × 255,785.12
  4. Step 4: Simplify right side
    470,645.04x = 166,131,204,941.17
  5. Step 5: Solve for x
    x = 166,131,204,941.17/470,645.04
  6. Step 6: Final answer
    x = 352,986.20

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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.