Home / 371,940.16-513,276-210,826.24

Finding the Fourth Proportional to 371,940.16, 513,276 and 210,826.24

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Solution

The fourth proportional to 371,940.16, 513,276 and 210,826.24 is: 290,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,940.16 : 513,276 = 210,826.24 : x
  2. Step 2: Convert to fraction form
    371,940.16/513,276 = 210,826.24/x
  3. Step 3: Cross multiply
    371,940.16x = 513,276 × 210,826.24
  4. Step 4: Simplify right side
    371,940.16x = 108,212,049,162.24
  5. Step 5: Solve for x
    x = 108,212,049,162.24/371,940.16
  6. Step 6: Final answer
    x = 290,939.41

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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.