Home / 379,772.06-524,071.20-210,009.02

Finding the Fourth Proportional to 379,772.06, 524,071.20 and 210,009.02

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Solution

The fourth proportional to 379,772.06, 524,071.20 and 210,009.02 is: 289,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,772.06 : 524,071.20 = 210,009.02 : x
  2. Step 2: Convert to fraction form
    379,772.06/524,071.20 = 210,009.02/x
  3. Step 3: Cross multiply
    379,772.06x = 524,071.20 × 210,009.02
  4. Step 4: Simplify right side
    379,772.06x = 110,059,679,122.22
  5. Step 5: Solve for x
    x = 110,059,679,122.22/379,772.06
  6. Step 6: Final answer
    x = 289,804.57

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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.