Home / 631,175.52-946,558.80-210,338.40

Finding the Fourth Proportional to 631,175.52, 946,558.80 and 210,338.40

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Solution

The fourth proportional to 631,175.52, 946,558.80 and 210,338.40 is: 315,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,175.52 : 946,558.80 = 210,338.40 : x
  2. Step 2: Convert to fraction form
    631,175.52/946,558.80 = 210,338.40/x
  3. Step 3: Cross multiply
    631,175.52x = 946,558.80 × 210,338.40
  4. Step 4: Simplify right side
    631,175.52x = 199,097,663,497.92
  5. Step 5: Solve for x
    x = 199,097,663,497.92/631,175.52
  6. Step 6: Final answer
    x = 315,439.46

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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.