Home / 470,190.88-648,868.12-255,332.80

Finding the Fourth Proportional to 470,190.88, 648,868.12 and 255,332.80

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Solution

The fourth proportional to 470,190.88, 648,868.12 and 255,332.80 is: 352,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,190.88 : 648,868.12 = 255,332.80 : x
  2. Step 2: Convert to fraction form
    470,190.88/648,868.12 = 255,332.80/x
  3. Step 3: Cross multiply
    470,190.88x = 648,868.12 × 255,332.80
  4. Step 4: Simplify right side
    470,190.88x = 165,677,313,910.34
  5. Step 5: Solve for x
    x = 165,677,313,910.34/470,190.88
  6. Step 6: Final answer
    x = 352,361.82

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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.