Finding the Fourth Proportional to 395,663.94, 545,983.86 and 232,303.26
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Solution
The fourth proportional to 395,663.94, 545,983.86 and 232,303.26 is: 320,559.49
Step by Step Solution
- Step 1: Write the proportion equation
395,663.94 : 545,983.86 = 232,303.26 : x - Step 2: Convert to fraction form
395,663.94/545,983.86 = 232,303.26/x - Step 3: Cross multiply
395,663.94x = 545,983.86 × 232,303.26 - Step 4: Simplify right side
395,663.94x = 126,833,830,585.38 - Step 5: Solve for x
x = 126,833,830,585.38/395,663.94 - Step 6: Final answer
x = 320,559.49
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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.