Finding the Fourth Proportional to 235,702.05, 325,276.20 and 133,731.81
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Solution
The fourth proportional to 235,702.05, 325,276.20 and 133,731.81 is: 184,554.08
Step by Step Solution
- Step 1: Write the proportion equation
235,702.05 : 325,276.20 = 133,731.81 : x - Step 2: Convert to fraction form
235,702.05/325,276.20 = 133,731.81/x - Step 3: Cross multiply
235,702.05x = 325,276.20 × 133,731.81 - Step 4: Simplify right side
235,702.05x = 43,499,774,975.92 - Step 5: Solve for x
x = 43,499,774,975.92/235,702.05 - Step 6: Final answer
x = 184,554.08
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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.