Home / 388,075.05-582,112.71-174,593.64

Finding the Fourth Proportional to 388,075.05, 582,112.71 and 174,593.64

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Solution

The fourth proportional to 388,075.05, 582,112.71 and 174,593.64 is: 261,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,075.05 : 582,112.71 = 174,593.64 : x
  2. Step 2: Convert to fraction form
    388,075.05/582,112.71 = 174,593.64/x
  3. Step 3: Cross multiply
    388,075.05x = 582,112.71 × 174,593.64
  4. Step 4: Simplify right side
    388,075.05x = 101,633,176,929.16
  5. Step 5: Solve for x
    x = 101,633,176,929.16/388,075.05
  6. Step 6: Final answer
    x = 261,890.52

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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.