Finding the Fourth Proportional to 159,745.08, 220,448.44 and 88,124.96
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Solution
The fourth proportional to 159,745.08, 220,448.44 and 88,124.96 is: 121,612.57
Step by Step Solution
- Step 1: Write the proportion equation
159,745.08 : 220,448.44 = 88,124.96 : x - Step 2: Convert to fraction form
159,745.08/220,448.44 = 88,124.96/x - Step 3: Cross multiply
159,745.08x = 220,448.44 × 88,124.96 - Step 4: Simplify right side
159,745.08x = 19,427,009,957.06 - Step 5: Solve for x
x = 19,427,009,957.06/159,745.08 - Step 6: Final answer
x = 121,612.57
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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.