Home / 320,240.54-479,972.40-235,212.28

Finding the Fourth Proportional to 320,240.54, 479,972.40 and 235,212.28

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Solution

The fourth proportional to 320,240.54, 479,972.40 and 235,212.28 is: 352,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,240.54 : 479,972.40 = 235,212.28 : x
  2. Step 2: Convert to fraction form
    320,240.54/479,972.40 = 235,212.28/x
  3. Step 3: Cross multiply
    320,240.54x = 479,972.40 × 235,212.28
  4. Step 4: Simplify right side
    320,240.54x = 112,895,402,541.07
  5. Step 5: Solve for x
    x = 112,895,402,541.07/320,240.54
  6. Step 6: Final answer
    x = 352,533.14

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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.