Home / 355,523.04-533,481.36-213,018.12

Finding the Fourth Proportional to 355,523.04, 533,481.36 and 213,018.12

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Solution

The fourth proportional to 355,523.04, 533,481.36 and 213,018.12 is: 319,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,523.04 : 533,481.36 = 213,018.12 : x
  2. Step 2: Convert to fraction form
    355,523.04/533,481.36 = 213,018.12/x
  3. Step 3: Cross multiply
    355,523.04x = 533,481.36 × 213,018.12
  4. Step 4: Simplify right side
    355,523.04x = 113,641,196,362.24
  5. Step 5: Solve for x
    x = 113,641,196,362.24/355,523.04
  6. Step 6: Final answer
    x = 319,645.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.