Home / 371,322.06-512,449.71-210,176.46

Finding the Fourth Proportional to 371,322.06, 512,449.71 and 210,176.46

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Solution

The fourth proportional to 371,322.06, 512,449.71 and 210,176.46 is: 290,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,322.06 : 512,449.71 = 210,176.46 : x
  2. Step 2: Convert to fraction form
    371,322.06/512,449.71 = 210,176.46/x
  3. Step 3: Cross multiply
    371,322.06x = 512,449.71 × 210,176.46
  4. Step 4: Simplify right side
    371,322.06x = 107,704,865,975.83
  5. Step 5: Solve for x
    x = 107,704,865,975.83/371,322.06
  6. Step 6: Final answer
    x = 290,057.82

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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.