Home / 286,764.07-395,690.07-165,916.60

Finding the Fourth Proportional to 286,764.07, 395,690.07 and 165,916.60

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Solution

The fourth proportional to 286,764.07, 395,690.07 and 165,916.60 is: 228,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,764.07 : 395,690.07 = 165,916.60 : x
  2. Step 2: Convert to fraction form
    286,764.07/395,690.07 = 165,916.60/x
  3. Step 3: Cross multiply
    286,764.07x = 395,690.07 × 165,916.60
  4. Step 4: Simplify right side
    286,764.07x = 65,651,551,068.16
  5. Step 5: Solve for x
    x = 65,651,551,068.16/286,764.07
  6. Step 6: Final answer
    x = 228,939.25

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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.