Home / 255,156.28-382,483.47-122,005.39

Finding the Fourth Proportional to 255,156.28, 382,483.47 and 122,005.39

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Solution

The fourth proportional to 255,156.28, 382,483.47 and 122,005.39 is: 182,888.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,156.28 : 382,483.47 = 122,005.39 : x
  2. Step 2: Convert to fraction form
    255,156.28/382,483.47 = 122,005.39/x
  3. Step 3: Cross multiply
    255,156.28x = 382,483.47 × 122,005.39
  4. Step 4: Simplify right side
    255,156.28x = 46,665,044,458.09
  5. Step 5: Solve for x
    x = 46,665,044,458.09/255,156.28
  6. Step 6: Final answer
    x = 182,888.09

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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.