Home / 381,227.04-526,085.28-211,459.68

Finding the Fourth Proportional to 381,227.04, 526,085.28 and 211,459.68

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Solution

The fourth proportional to 381,227.04, 526,085.28 and 211,459.68 is: 291,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,227.04 : 526,085.28 = 211,459.68 : x
  2. Step 2: Convert to fraction form
    381,227.04/526,085.28 = 211,459.68/x
  3. Step 3: Cross multiply
    381,227.04x = 526,085.28 × 211,459.68
  4. Step 4: Simplify right side
    381,227.04x = 111,245,824,961.51
  5. Step 5: Solve for x
    x = 111,245,824,961.51/381,227.04
  6. Step 6: Final answer
    x = 291,809.90

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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.