Finding the Fourth Proportional to 171,702.42, 236,901.06 and 135,290.96
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Solution
The fourth proportional to 171,702.42, 236,901.06 and 135,290.96 is: 186,663.48
Step by Step Solution
- Step 1: Write the proportion equation
171,702.42 : 236,901.06 = 135,290.96 : x - Step 2: Convert to fraction form
171,702.42/236,901.06 = 135,290.96/x - Step 3: Cross multiply
171,702.42x = 236,901.06 × 135,290.96 - Step 4: Simplify right side
171,702.42x = 32,050,571,832.42 - Step 5: Solve for x
x = 32,050,571,832.42/171,702.42 - Step 6: Final answer
x = 186,663.48
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1.5x scale
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.