Finding the Fourth Proportional to 312,192.01, 430,824.94 and 168,952.08
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Solution
The fourth proportional to 312,192.01, 430,824.94 and 168,952.08 is: 233,153.85
Step by Step Solution
- Step 1: Write the proportion equation
312,192.01 : 430,824.94 = 168,952.08 : x - Step 2: Convert to fraction form
312,192.01/430,824.94 = 168,952.08/x - Step 3: Cross multiply
312,192.01x = 430,824.94 × 168,952.08 - Step 4: Simplify right side
312,192.01x = 72,788,769,728.88 - Step 5: Solve for x
x = 72,788,769,728.88/312,192.01 - Step 6: Final answer
x = 233,153.85
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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.