Finding the Fourth Proportional to 128,189.04, 192,268.98 and 34,702.08
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Solution
The fourth proportional to 128,189.04, 192,268.98 and 34,702.08 is: 52,049.17
Step by Step Solution
- Step 1: Write the proportion equation
128,189.04 : 192,268.98 = 34,702.08 : x - Step 2: Convert to fraction form
128,189.04/192,268.98 = 34,702.08/x - Step 3: Cross multiply
128,189.04x = 192,268.98 × 34,702.08 - Step 4: Simplify right side
128,189.04x = 6,672,133,525.48 - Step 5: Solve for x
x = 6,672,133,525.48/128,189.04 - Step 6: Final answer
x = 52,049.17
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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.