Finding the Fourth Proportional to 395,967.17, 546,432.97 and 214,678.54
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Solution
The fourth proportional to 395,967.17, 546,432.97 and 214,678.54 is: 296,255.45
Step by Step Solution
- Step 1: Write the proportion equation
395,967.17 : 546,432.97 = 214,678.54 : x - Step 2: Convert to fraction form
395,967.17/546,432.97 = 214,678.54/x - Step 3: Cross multiply
395,967.17x = 546,432.97 × 214,678.54 - Step 4: Simplify right side
395,967.17x = 117,307,432,207.46 - Step 5: Solve for x
x = 117,307,432,207.46/395,967.17 - Step 6: Final answer
x = 296,255.45
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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.