Home / 376,289.04-519,279.08-215,147.28

Finding the Fourth Proportional to 376,289.04, 519,279.08 and 215,147.28

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Solution

The fourth proportional to 376,289.04, 519,279.08 and 215,147.28 is: 296,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,289.04 : 519,279.08 = 215,147.28 : x
  2. Step 2: Convert to fraction form
    376,289.04/519,279.08 = 215,147.28/x
  3. Step 3: Cross multiply
    376,289.04x = 519,279.08 × 215,147.28
  4. Step 4: Simplify right side
    376,289.04x = 111,721,481,622.90
  5. Step 5: Solve for x
    x = 111,721,481,622.90/376,289.04
  6. Step 6: Final answer
    x = 296,903.36

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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.