Finding the Fourth Proportional to 395,555.93, 545,855.94 and 232,209.81
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Solution
The fourth proportional to 395,555.93, 545,855.94 and 232,209.81 is: 320,442.94
Step by Step Solution
- Step 1: Write the proportion equation
395,555.93 : 545,855.94 = 232,209.81 : x - Step 2: Convert to fraction form
395,555.93/545,855.94 = 232,209.81/x - Step 3: Cross multiply
395,555.93x = 545,855.94 × 232,209.81 - Step 4: Simplify right side
395,555.93x = 126,753,104,996.90 - Step 5: Solve for x
x = 126,753,104,996.90/395,555.93 - Step 6: Final answer
x = 320,442.94
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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.