Home / 372,110.80-558,166.20-339,451.60

Finding the Fourth Proportional to 372,110.80, 558,166.20 and 339,451.60

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Solution

The fourth proportional to 372,110.80, 558,166.20 and 339,451.60 is: 509,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,110.80 : 558,166.20 = 339,451.60 : x
  2. Step 2: Convert to fraction form
    372,110.80/558,166.20 = 339,451.60/x
  3. Step 3: Cross multiply
    372,110.80x = 558,166.20 × 339,451.60
  4. Step 4: Simplify right side
    372,110.80x = 189,470,409,655.92
  5. Step 5: Solve for x
    x = 189,470,409,655.92/372,110.80
  6. Step 6: Final answer
    x = 509,177.40

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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.