Home / 356,942.32-492,621.56-213,702.24

Finding the Fourth Proportional to 356,942.32, 492,621.56 and 213,702.24

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Solution

The fourth proportional to 356,942.32, 492,621.56 and 213,702.24 is: 294,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,942.32 : 492,621.56 = 213,702.24 : x
  2. Step 2: Convert to fraction form
    356,942.32/492,621.56 = 213,702.24/x
  3. Step 3: Cross multiply
    356,942.32x = 492,621.56 × 213,702.24
  4. Step 4: Simplify right side
    356,942.32x = 105,274,330,844.29
  5. Step 5: Solve for x
    x = 105,274,330,844.29/356,942.32
  6. Step 6: Final answer
    x = 294,933.73

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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.