Home / 631,173.52-946,555.80-210,336.40

Finding the Fourth Proportional to 631,173.52, 946,555.80 and 210,336.40

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Solution

The fourth proportional to 631,173.52, 946,555.80 and 210,336.40 is: 315,436.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,173.52 : 946,555.80 = 210,336.40 : x
  2. Step 2: Convert to fraction form
    631,173.52/946,555.80 = 210,336.40/x
  3. Step 3: Cross multiply
    631,173.52x = 946,555.80 × 210,336.40
  4. Step 4: Simplify right side
    631,173.52x = 199,095,139,371.12
  5. Step 5: Solve for x
    x = 199,095,139,371.12/631,173.52
  6. Step 6: Final answer
    x = 315,436.46

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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.