Finding the Fourth Proportional to 384,023.80, 576,035.70 and 218,135.80
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Solution
The fourth proportional to 384,023.80, 576,035.70 and 218,135.80 is: 327,203.70
Step by Step Solution
- Step 1: Write the proportion equation
384,023.80 : 576,035.70 = 218,135.80 : x - Step 2: Convert to fraction form
384,023.80/576,035.70 = 218,135.80/x - Step 3: Cross multiply
384,023.80x = 576,035.70 × 218,135.80 - Step 4: Simplify right side
384,023.80x = 125,654,008,248.06 - Step 5: Solve for x
x = 125,654,008,248.06/384,023.80 - Step 6: Final answer
x = 327,203.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.