Home / 470,039.30-648,661.77-255,179.19

Finding the Fourth Proportional to 470,039.30, 648,661.77 and 255,179.19

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Solution

The fourth proportional to 470,039.30, 648,661.77 and 255,179.19 is: 352,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,039.30 : 648,661.77 = 255,179.19 : x
  2. Step 2: Convert to fraction form
    470,039.30/648,661.77 = 255,179.19/x
  3. Step 3: Cross multiply
    470,039.30x = 648,661.77 × 255,179.19
  4. Step 4: Simplify right side
    470,039.30x = 165,524,983,776.67
  5. Step 5: Solve for x
    x = 165,524,983,776.67/470,039.30
  6. Step 6: Final answer
    x = 352,151.37

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1.5x scale

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.