Home / 376,450.29-519,353.24-215,218.71

Finding the Fourth Proportional to 376,450.29, 519,353.24 and 215,218.71

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Solution

The fourth proportional to 376,450.29, 519,353.24 and 215,218.71 is: 296,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,450.29 : 519,353.24 = 215,218.71 : x
  2. Step 2: Convert to fraction form
    376,450.29/519,353.24 = 215,218.71/x
  3. Step 3: Cross multiply
    376,450.29x = 519,353.24 × 215,218.71
  4. Step 4: Simplify right side
    376,450.29x = 111,774,533,271.03
  5. Step 5: Solve for x
    x = 111,774,533,271.03/376,450.29
  6. Step 6: Final answer
    x = 296,917.11

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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.