Home / 353,230.08-487,470.31-202,356.24

Finding the Fourth Proportional to 353,230.08, 487,470.31 and 202,356.24

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Solution

The fourth proportional to 353,230.08, 487,470.31 and 202,356.24 is: 279,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,230.08 : 487,470.31 = 202,356.24 : x
  2. Step 2: Convert to fraction form
    353,230.08/487,470.31 = 202,356.24/x
  3. Step 3: Cross multiply
    353,230.08x = 487,470.31 × 202,356.24
  4. Step 4: Simplify right side
    353,230.08x = 98,642,658,537.34
  5. Step 5: Solve for x
    x = 98,642,658,537.34/353,230.08
  6. Step 6: Final answer
    x = 279,258.94

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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.