Home / 320,238.54-479,969.40-235,210.28

Finding the Fourth Proportional to 320,238.54, 479,969.40 and 235,210.28

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Solution

The fourth proportional to 320,238.54, 479,969.40 and 235,210.28 is: 352,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,238.54 : 479,969.40 = 235,210.28 : x
  2. Step 2: Convert to fraction form
    320,238.54/479,969.40 = 235,210.28/x
  3. Step 3: Cross multiply
    320,238.54x = 479,969.40 × 235,210.28
  4. Step 4: Simplify right side
    320,238.54x = 112,893,736,824.39
  5. Step 5: Solve for x
    x = 112,893,736,824.39/320,238.54
  6. Step 6: Final answer
    x = 352,530.14

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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.