Finding the Fourth Proportional to 395,688.96, 546,060.93 and 242,811.62
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Solution
The fourth proportional to 395,688.96, 546,060.93 and 242,811.62 is: 335,086.28
Step by Step Solution
- Step 1: Write the proportion equation
395,688.96 : 546,060.93 = 242,811.62 : x - Step 2: Convert to fraction form
395,688.96/546,060.93 = 242,811.62/x - Step 3: Cross multiply
395,688.96x = 546,060.93 × 242,811.62 - Step 4: Simplify right side
395,688.96x = 132,589,941,307.70 - Step 5: Solve for x
x = 132,589,941,307.70/395,688.96 - Step 6: Final answer
x = 335,086.28
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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.