Finding the Fourth Proportional to 395,784.17, 546,184.09 and 214,496.09
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Solution
The fourth proportional to 395,784.17, 546,184.09 and 214,496.09 is: 296,005.65
Step by Step Solution
- Step 1: Write the proportion equation
395,784.17 : 546,184.09 = 214,496.09 : x - Step 2: Convert to fraction form
395,784.17/546,184.09 = 214,496.09/x - Step 3: Cross multiply
395,784.17x = 546,184.09 × 214,496.09 - Step 4: Simplify right side
395,784.17x = 117,154,348,994.29 - Step 5: Solve for x
x = 117,154,348,994.29/395,784.17 - Step 6: Final answer
x = 296,005.65
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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.