Finding the Fourth Proportional to 356,623.84, 492,108.24 and 205,691.68
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Solution
The fourth proportional to 356,623.84, 492,108.24 and 205,691.68 is: 283,835.68
Step by Step Solution
- Step 1: Write the proportion equation
356,623.84 : 492,108.24 = 205,691.68 : x - Step 2: Convert to fraction form
356,623.84/492,108.24 = 205,691.68/x - Step 3: Cross multiply
356,623.84x = 492,108.24 × 205,691.68 - Step 4: Simplify right side
356,623.84x = 101,222,570,627.44 - Step 5: Solve for x
x = 101,222,570,627.44/356,623.84 - Step 6: Final answer
x = 283,835.68
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1.5x scale
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.