Home / 355,499.04-533,249.08-142,362.92

Finding the Fourth Proportional to 355,499.04, 533,249.08 and 142,362.92

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Solution

The fourth proportional to 355,499.04, 533,249.08 and 142,362.92 is: 213,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,499.04 : 533,249.08 = 142,362.92 : x
  2. Step 2: Convert to fraction form
    355,499.04/533,249.08 = 142,362.92/x
  3. Step 3: Cross multiply
    355,499.04x = 533,249.08 × 142,362.92
  4. Step 4: Simplify right side
    355,499.04x = 75,914,896,116.11
  5. Step 5: Solve for x
    x = 75,914,896,116.11/355,499.04
  6. Step 6: Final answer
    x = 213,544.59

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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.