Finding the Fourth Proportional to 286,558.09, 395,432.08 and 159,226.09
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Solution
The fourth proportional to 286,558.09, 395,432.08 and 159,226.09 is: 219,721.96
Step by Step Solution
- Step 1: Write the proportion equation
286,558.09 : 395,432.08 = 159,226.09 : x - Step 2: Convert to fraction form
286,558.09/395,432.08 = 159,226.09/x - Step 3: Cross multiply
286,558.09x = 395,432.08 × 159,226.09 - Step 4: Simplify right side
286,558.09x = 62,963,103,958.97 - Step 5: Solve for x
x = 62,963,103,958.97/286,558.09 - Step 6: Final answer
x = 219,721.96
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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.