Finding the Fourth Proportional to 265,702.68, 398,640.08 and 159,069.96
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Solution
The fourth proportional to 265,702.68, 398,640.08 and 159,069.96 is: 238,656.46
Step by Step Solution
- Step 1: Write the proportion equation
265,702.68 : 398,640.08 = 159,069.96 : x - Step 2: Convert to fraction form
265,702.68/398,640.08 = 159,069.96/x - Step 3: Cross multiply
265,702.68x = 398,640.08 × 159,069.96 - Step 4: Simplify right side
265,702.68x = 63,411,661,580.00 - Step 5: Solve for x
x = 63,411,661,580.00/265,702.68 - Step 6: Final answer
x = 238,656.46
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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.