Finding the Fourth Proportional to 229,181.48, 316,265.54 and 127,200.99
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Solution
The fourth proportional to 229,181.48, 316,265.54 and 127,200.99 is: 175,534.65
Step by Step Solution
- Step 1: Write the proportion equation
229,181.48 : 316,265.54 = 127,200.99 : x - Step 2: Convert to fraction form
229,181.48/316,265.54 = 127,200.99/x - Step 3: Cross multiply
229,181.48x = 316,265.54 × 127,200.99 - Step 4: Simplify right side
229,181.48x = 40,229,289,154.88 - Step 5: Solve for x
x = 40,229,289,154.88/229,181.48 - Step 6: Final answer
x = 175,534.65
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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.