Finding the Fourth Proportional to 218,465.64, 327,700.62 and 68,702.58
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Solution
The fourth proportional to 218,465.64, 327,700.62 and 68,702.58 is: 103,054.55
Step by Step Solution
- Step 1: Write the proportion equation
218,465.64 : 327,700.62 = 68,702.58 : x - Step 2: Convert to fraction form
218,465.64/327,700.62 = 68,702.58/x - Step 3: Cross multiply
218,465.64x = 327,700.62 × 68,702.58 - Step 4: Simplify right side
218,465.64x = 22,513,878,061.60 - Step 5: Solve for x
x = 22,513,878,061.60/218,465.64 - Step 6: Final answer
x = 103,054.55
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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.