Home / 319,495.32-440,708.18-204,735.33

Finding the Fourth Proportional to 319,495.32, 440,708.18 and 204,735.33

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Solution

The fourth proportional to 319,495.32, 440,708.18 and 204,735.33 is: 282,409.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,495.32 : 440,708.18 = 204,735.33 : x
  2. Step 2: Convert to fraction form
    319,495.32/440,708.18 = 204,735.33/x
  3. Step 3: Cross multiply
    319,495.32x = 440,708.18 × 204,735.33
  4. Step 4: Simplify right side
    319,495.32x = 90,228,533,642.32
  5. Step 5: Solve for x
    x = 90,228,533,642.32/319,495.32
  6. Step 6: Final answer
    x = 282,409.56

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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.