Finding the Fourth Proportional to 311,741.92, 430,230.24 and 175,802.08
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Solution
The fourth proportional to 311,741.92, 430,230.24 and 175,802.08 is: 242,621.75
Step by Step Solution
- Step 1: Write the proportion equation
311,741.92 : 430,230.24 = 175,802.08 : x - Step 2: Convert to fraction form
311,741.92/430,230.24 = 175,802.08/x - Step 3: Cross multiply
311,741.92x = 430,230.24 × 175,802.08 - Step 4: Simplify right side
311,741.92x = 75,635,371,070.90 - Step 5: Solve for x
x = 75,635,371,070.90/311,741.92 - Step 6: Final answer
x = 242,621.75
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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.