Finding the Fourth Proportional to 286,808.08, 395,795.48 and 159,480.94
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Solution
The fourth proportional to 286,808.08, 395,795.48 and 159,480.94 is: 220,083.88
Step by Step Solution
- Step 1: Write the proportion equation
286,808.08 : 395,795.48 = 159,480.94 : x - Step 2: Convert to fraction form
286,808.08/395,795.48 = 159,480.94/x - Step 3: Cross multiply
286,808.08x = 395,795.48 × 159,480.94 - Step 4: Simplify right side
286,808.08x = 63,121,833,411.26 - Step 5: Solve for x
x = 63,121,833,411.26/286,808.08 - Step 6: Final answer
x = 220,083.88
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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.