Finding the Fourth Proportional to 475,638.75, 713,081.75 and 235,582.70
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Solution
The fourth proportional to 475,638.75, 713,081.75 and 235,582.70 is: 353,187.62
Step by Step Solution
- Step 1: Write the proportion equation
475,638.75 : 713,081.75 = 235,582.70 : x - Step 2: Convert to fraction form
475,638.75/713,081.75 = 235,582.70/x - Step 3: Cross multiply
475,638.75x = 713,081.75 × 235,582.70 - Step 4: Simplify right side
475,638.75x = 167,989,719,242.40 - Step 5: Solve for x
x = 167,989,719,242.40/475,638.75 - Step 6: Final answer
x = 353,187.62
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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.