Finding the Fourth Proportional to 108,785.80, 163,174.60 and 29,897.98
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Solution
The fourth proportional to 108,785.80, 163,174.60 and 29,897.98 is: 44,845.84
Step by Step Solution
- Step 1: Write the proportion equation
108,785.80 : 163,174.60 = 29,897.98 : x - Step 2: Convert to fraction form
108,785.80/163,174.60 = 29,897.98/x - Step 3: Cross multiply
108,785.80x = 163,174.60 × 29,897.98 - Step 4: Simplify right side
108,785.80x = 4,878,590,927.31 - Step 5: Solve for x
x = 4,878,590,927.31/108,785.80 - Step 6: Final answer
x = 44,845.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.