Home / 421,838.76-582,136.56-230,852.04

Finding the Fourth Proportional to 421,838.76, 582,136.56 and 230,852.04

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Solution

The fourth proportional to 421,838.76, 582,136.56 and 230,852.04 is: 318,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,838.76 : 582,136.56 = 230,852.04 : x
  2. Step 2: Convert to fraction form
    421,838.76/582,136.56 = 230,852.04/x
  3. Step 3: Cross multiply
    421,838.76x = 582,136.56 × 230,852.04
  4. Step 4: Simplify right side
    421,838.76x = 134,387,412,434.58
  5. Step 5: Solve for x
    x = 134,387,412,434.58/421,838.76
  6. Step 6: Final answer
    x = 318,575.31

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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.