Home / 282,704.22-390,222.75-181,003.59

Finding the Fourth Proportional to 282,704.22, 390,222.75 and 181,003.59

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Solution

The fourth proportional to 282,704.22, 390,222.75 and 181,003.59 is: 249,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,704.22 : 390,222.75 = 181,003.59 : x
  2. Step 2: Convert to fraction form
    282,704.22/390,222.75 = 181,003.59/x
  3. Step 3: Cross multiply
    282,704.22x = 390,222.75 × 181,003.59
  4. Step 4: Simplify right side
    282,704.22x = 70,631,718,649.67
  5. Step 5: Solve for x
    x = 70,631,718,649.67/282,704.22
  6. Step 6: Final answer
    x = 249,843.17

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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.