Home / 352,208.80-528,313.20-313,501.60

Finding the Fourth Proportional to 352,208.80, 528,313.20 and 313,501.60

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Solution

The fourth proportional to 352,208.80, 528,313.20 and 313,501.60 is: 470,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,208.80 : 528,313.20 = 313,501.60 : x
  2. Step 2: Convert to fraction form
    352,208.80/528,313.20 = 313,501.60/x
  3. Step 3: Cross multiply
    352,208.80x = 528,313.20 × 313,501.60
  4. Step 4: Simplify right side
    352,208.80x = 165,627,033,501.12
  5. Step 5: Solve for x
    x = 165,627,033,501.12/352,208.80
  6. Step 6: Final answer
    x = 470,252.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.