Home / 291,922.31-438,080.00-102,384.44

Finding the Fourth Proportional to 291,922.31, 438,080.00 and 102,384.44

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Solution

The fourth proportional to 291,922.31, 438,080.00 and 102,384.44 is: 153,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,922.31 : 438,080.00 = 102,384.44 : x
  2. Step 2: Convert to fraction form
    291,922.31/438,080.00 = 102,384.44/x
  3. Step 3: Cross multiply
    291,922.31x = 438,080.00 × 102,384.44
  4. Step 4: Simplify right side
    291,922.31x = 44,852,574,415.68
  5. Step 5: Solve for x
    x = 44,852,574,415.68/291,922.31
  6. Step 6: Final answer
    x = 153,645.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.