Home / 421,961.76-582,307.83-230,987.22

Finding the Fourth Proportional to 421,961.76, 582,307.83 and 230,987.22

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Solution

The fourth proportional to 421,961.76, 582,307.83 and 230,987.22 is: 318,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,961.76 : 582,307.83 = 230,987.22 : x
  2. Step 2: Convert to fraction form
    421,961.76/582,307.83 = 230,987.22/x
  3. Step 3: Cross multiply
    421,961.76x = 582,307.83 × 230,987.22
  4. Step 4: Simplify right side
    421,961.76x = 134,505,666,835.93
  5. Step 5: Solve for x
    x = 134,505,666,835.93/421,961.76
  6. Step 6: Final answer
    x = 318,762.69

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1.5x scale

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.