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Finding the Fourth Proportional to 470,348.97, 649,093.65 and 255,501.33

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Solution

The fourth proportional to 470,348.97, 649,093.65 and 255,501.33 is: 352,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348.97 : 649,093.65 = 255,501.33 : x
  2. Step 2: Convert to fraction form
    470,348.97/649,093.65 = 255,501.33/x
  3. Step 3: Cross multiply
    470,348.97x = 649,093.65 × 255,501.33
  4. Step 4: Simplify right side
    470,348.97x = 165,844,289,592.05
  5. Step 5: Solve for x
    x = 165,844,289,592.05/470,348.97
  6. Step 6: Final answer
    x = 352,598.39

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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.