Home / 310,204.58-427,973.32-202,837.46

Finding the Fourth Proportional to 310,204.58, 427,973.32 and 202,837.46

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Solution

The fourth proportional to 310,204.58, 427,973.32 and 202,837.46 is: 279,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,204.58 : 427,973.32 = 202,837.46 : x
  2. Step 2: Convert to fraction form
    310,204.58/427,973.32 = 202,837.46/x
  3. Step 3: Cross multiply
    310,204.58x = 427,973.32 × 202,837.46
  4. Step 4: Simplify right side
    310,204.58x = 86,809,021,176.57
  5. Step 5: Solve for x
    x = 86,809,021,176.57/310,204.58
  6. Step 6: Final answer
    x = 279,844.42

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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.