Home / 260,150.86-390,220.82-119,909.49

Finding the Fourth Proportional to 260,150.86, 390,220.82 and 119,909.49

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Solution

The fourth proportional to 260,150.86, 390,220.82 and 119,909.49 is: 179,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,150.86 : 390,220.82 = 119,909.49 : x
  2. Step 2: Convert to fraction form
    260,150.86/390,220.82 = 119,909.49/x
  3. Step 3: Cross multiply
    260,150.86x = 390,220.82 × 119,909.49
  4. Step 4: Simplify right side
    260,150.86x = 46,791,178,574.86
  5. Step 5: Solve for x
    x = 46,791,178,574.86/260,150.86
  6. Step 6: Final answer
    x = 179,861.71

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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.