Home / 379,869.75-524,236.73-210,104.01

Finding the Fourth Proportional to 379,869.75, 524,236.73 and 210,104.01

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Solution

The fourth proportional to 379,869.75, 524,236.73 and 210,104.01 is: 289,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,869.75 : 524,236.73 = 210,104.01 : x
  2. Step 2: Convert to fraction form
    379,869.75/524,236.73 = 210,104.01/x
  3. Step 3: Cross multiply
    379,869.75x = 524,236.73 × 210,104.01
  4. Step 4: Simplify right side
    379,869.75x = 110,144,238,111.77
  5. Step 5: Solve for x
    x = 110,144,238,111.77/379,869.75
  6. Step 6: Final answer
    x = 289,952.64

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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.