Home / 219,823.77-303,357.34-119,221.77

Finding the Fourth Proportional to 219,823.77, 303,357.34 and 119,221.77

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Solution

The fourth proportional to 219,823.77, 303,357.34 and 119,221.77 is: 164,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,823.77 : 303,357.34 = 119,221.77 : x
  2. Step 2: Convert to fraction form
    219,823.77/303,357.34 = 119,221.77/x
  3. Step 3: Cross multiply
    219,823.77x = 303,357.34 × 119,221.77
  4. Step 4: Simplify right side
    219,823.77x = 36,166,798,421.18
  5. Step 5: Solve for x
    x = 36,166,798,421.18/219,823.77
  6. Step 6: Final answer
    x = 164,526.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.