Home / 371,273.18-512,235.03-210,112.22

Finding the Fourth Proportional to 371,273.18, 512,235.03 and 210,112.22

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Solution

The fourth proportional to 371,273.18, 512,235.03 and 210,112.22 is: 289,885.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,273.18 : 512,235.03 = 210,112.22 : x
  2. Step 2: Convert to fraction form
    371,273.18/512,235.03 = 210,112.22/x
  3. Step 3: Cross multiply
    371,273.18x = 512,235.03 × 210,112.22
  4. Step 4: Simplify right side
    371,273.18x = 107,626,839,315.07
  5. Step 5: Solve for x
    x = 107,626,839,315.07/371,273.18
  6. Step 6: Final answer
    x = 289,885.84

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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.