Home / 401,276.04-553,748.94-219,981.77

Finding the Fourth Proportional to 401,276.04, 553,748.94 and 219,981.77

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Solution

The fourth proportional to 401,276.04, 553,748.94 and 219,981.77 is: 303,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,276.04 : 553,748.94 = 219,981.77 : x
  2. Step 2: Convert to fraction form
    401,276.04/553,748.94 = 219,981.77/x
  3. Step 3: Cross multiply
    401,276.04x = 553,748.94 × 219,981.77
  4. Step 4: Simplify right side
    401,276.04x = 121,814,674,379.48
  5. Step 5: Solve for x
    x = 121,814,674,379.48/401,276.04
  6. Step 6: Final answer
    x = 303,568.27

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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.