Home / 262,208.79-393,015.51-230,557.55

Finding the Fourth Proportional to 262,208.79, 393,015.51 and 230,557.55

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Solution

The fourth proportional to 262,208.79, 393,015.51 and 230,557.55 is: 345,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,208.79 : 393,015.51 = 230,557.55 : x
  2. Step 2: Convert to fraction form
    262,208.79/393,015.51 = 230,557.55/x
  3. Step 3: Cross multiply
    262,208.79x = 393,015.51 × 230,557.55
  4. Step 4: Simplify right side
    262,208.79x = 90,612,691,132.52
  5. Step 5: Solve for x
    x = 90,612,691,132.52/262,208.79
  6. Step 6: Final answer
    x = 345,574.57

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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.