Home / 299,039.22-412,666.62-163,075.78

Finding the Fourth Proportional to 299,039.22, 412,666.62 and 163,075.78

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Solution

The fourth proportional to 299,039.22, 412,666.62 and 163,075.78 is: 225,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,039.22 : 412,666.62 = 163,075.78 : x
  2. Step 2: Convert to fraction form
    299,039.22/412,666.62 = 163,075.78/x
  3. Step 3: Cross multiply
    299,039.22x = 412,666.62 × 163,075.78
  4. Step 4: Simplify right side
    299,039.22x = 67,295,932,216.71
  5. Step 5: Solve for x
    x = 67,295,932,216.71/299,039.22
  6. Step 6: Final answer
    x = 225,040.49

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1.5x scale

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.