Home / 286,328.86-395,152.09-159,004.44

Finding the Fourth Proportional to 286,328.86, 395,152.09 and 159,004.44

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Solution

The fourth proportional to 286,328.86, 395,152.09 and 159,004.44 is: 219,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,328.86 : 395,152.09 = 159,004.44 : x
  2. Step 2: Convert to fraction form
    286,328.86/395,152.09 = 159,004.44/x
  3. Step 3: Cross multiply
    286,328.86x = 395,152.09 × 159,004.44
  4. Step 4: Simplify right side
    286,328.86x = 62,830,936,387.77
  5. Step 5: Solve for x
    x = 62,830,936,387.77/286,328.86
  6. Step 6: Final answer
    x = 219,436.27

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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.