Finding the Fourth Proportional to 571,721.58, 857,442.93 and 192,543.62
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Solution
The fourth proportional to 571,721.58, 857,442.93 and 192,543.62 is: 288,768.46
Step by Step Solution
- Step 1: Write the proportion equation
571,721.58 : 857,442.93 = 192,543.62 : x - Step 2: Convert to fraction form
571,721.58/857,442.93 = 192,543.62/x - Step 3: Cross multiply
571,721.58x = 857,442.93 × 192,543.62 - Step 4: Simplify right side
571,721.58x = 165,095,161,398.39 - Step 5: Solve for x
x = 165,095,161,398.39/571,721.58 - Step 6: Final answer
x = 288,768.46
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1.5x scale
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.