Home / 282,342.36-389,633.22-155,026.20

Finding the Fourth Proportional to 282,342.36, 389,633.22 and 155,026.20

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Solution

The fourth proportional to 282,342.36, 389,633.22 and 155,026.20 is: 213,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,342.36 : 389,633.22 = 155,026.20 : x
  2. Step 2: Convert to fraction form
    282,342.36/389,633.22 = 155,026.20/x
  3. Step 3: Cross multiply
    282,342.36x = 389,633.22 × 155,026.20
  4. Step 4: Simplify right side
    282,342.36x = 60,403,357,490.36
  5. Step 5: Solve for x
    x = 60,403,357,490.36/282,342.36
  6. Step 6: Final answer
    x = 213,936.58

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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.