Home / 210,862.24-290,998.56-115,377.28

Finding the Fourth Proportional to 210,862.24, 290,998.56 and 115,377.28

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Solution

The fourth proportional to 210,862.24, 290,998.56 and 115,377.28 is: 159,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,862.24 : 290,998.56 = 115,377.28 : x
  2. Step 2: Convert to fraction form
    210,862.24/290,998.56 = 115,377.28/x
  3. Step 3: Cross multiply
    210,862.24x = 290,998.56 × 115,377.28
  4. Step 4: Simplify right side
    210,862.24x = 33,574,622,336.72
  5. Step 5: Solve for x
    x = 33,574,622,336.72/210,862.24
  6. Step 6: Final answer
    x = 159,225.39

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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.