Finding the Fourth Proportional to 357,279.15, 493,026.68 and 212,090.97
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Solution
The fourth proportional to 357,279.15, 493,026.68 and 212,090.97 is: 292,674.53
Step by Step Solution
- Step 1: Write the proportion equation
357,279.15 : 493,026.68 = 212,090.97 : x - Step 2: Convert to fraction form
357,279.15/493,026.68 = 212,090.97/x - Step 3: Cross multiply
357,279.15x = 493,026.68 × 212,090.97 - Step 4: Simplify right side
357,279.15x = 104,566,505,736.63 - Step 5: Solve for x
x = 104,566,505,736.63/357,279.15 - Step 6: Final answer
x = 292,674.53
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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.