Home / 355,707.57-533,561.36-142,572.09

Finding the Fourth Proportional to 355,707.57, 533,561.36 and 142,572.09

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Solution

The fourth proportional to 355,707.57, 533,561.36 and 142,572.09 is: 213,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,707.57 : 533,561.36 = 142,572.09 : x
  2. Step 2: Convert to fraction form
    355,707.57/533,561.36 = 142,572.09/x
  3. Step 3: Cross multiply
    355,707.57x = 533,561.36 × 142,572.09
  4. Step 4: Simplify right side
    355,707.57x = 76,070,957,525.58
  5. Step 5: Solve for x
    x = 76,070,957,525.58/355,707.57
  6. Step 6: Final answer
    x = 213,858.14

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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.