Home / 255,250.08-382,916.63-86,785.47

Finding the Fourth Proportional to 255,250.08, 382,916.63 and 86,785.47

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Solution

The fourth proportional to 255,250.08, 382,916.63 and 86,785.47 is: 130,192.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,250.08 : 382,916.63 = 86,785.47 : x
  2. Step 2: Convert to fraction form
    255,250.08/382,916.63 = 86,785.47/x
  3. Step 3: Cross multiply
    255,250.08x = 382,916.63 × 86,785.47
  4. Step 4: Simplify right side
    255,250.08x = 33,231,599,922.33
  5. Step 5: Solve for x
    x = 33,231,599,922.33/255,250.08
  6. Step 6: Final answer
    x = 130,192.32

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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.