Home / 371,342.42-512,309.04-210,160.52

Finding the Fourth Proportional to 371,342.42, 512,309.04 and 210,160.52

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Solution

The fourth proportional to 371,342.42, 512,309.04 and 210,160.52 is: 289,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,342.42 : 512,309.04 = 210,160.52 : x
  2. Step 2: Convert to fraction form
    371,342.42/512,309.04 = 210,160.52/x
  3. Step 3: Cross multiply
    371,342.42x = 512,309.04 × 210,160.52
  4. Step 4: Simplify right side
    371,342.42x = 107,667,134,247.10
  5. Step 5: Solve for x
    x = 107,667,134,247.10/371,342.42
  6. Step 6: Final answer
    x = 289,940.30

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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.