Home / 320,829.72-442,636.56-184,860.15

Finding the Fourth Proportional to 320,829.72, 442,636.56 and 184,860.15

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Solution

The fourth proportional to 320,829.72, 442,636.56 and 184,860.15 is: 255,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,829.72 : 442,636.56 = 184,860.15 : x
  2. Step 2: Convert to fraction form
    320,829.72/442,636.56 = 184,860.15/x
  3. Step 3: Cross multiply
    320,829.72x = 442,636.56 × 184,860.15
  4. Step 4: Simplify right side
    320,829.72x = 81,825,860,877.08
  5. Step 5: Solve for x
    x = 81,825,860,877.08/320,829.72
  6. Step 6: Final answer
    x = 255,044.52

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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.