Finding the Fourth Proportional to 247,928.06, 342,142.98 and 134,751.08
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Solution
The fourth proportional to 247,928.06, 342,142.98 and 134,751.08 is: 185,957.72
Step by Step Solution
- Step 1: Write the proportion equation
247,928.06 : 342,142.98 = 134,751.08 : x - Step 2: Convert to fraction form
247,928.06/342,142.98 = 134,751.08/x - Step 3: Cross multiply
247,928.06x = 342,142.98 × 134,751.08 - Step 4: Simplify right side
247,928.06x = 46,104,136,069.42 - Step 5: Solve for x
x = 46,104,136,069.42/247,928.06 - Step 6: Final answer
x = 185,957.72
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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.