Finding the Fourth Proportional to 395,037.84, 545,151.88 and 222,992.02
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Solution
The fourth proportional to 395,037.84, 545,151.88 and 222,992.02 is: 307,728.80
Step by Step Solution
- Step 1: Write the proportion equation
395,037.84 : 545,151.88 = 222,992.02 : x - Step 2: Convert to fraction form
395,037.84/545,151.88 = 222,992.02/x - Step 3: Cross multiply
395,037.84x = 545,151.88 × 222,992.02 - Step 4: Simplify right side
395,037.84x = 121,564,518,928.00 - Step 5: Solve for x
x = 121,564,518,928.00/395,037.84 - Step 6: Final answer
x = 307,728.80
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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.