Finding the Fourth Proportional to 515,283.26, 711,095.18 and 285,855.55
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Solution
The fourth proportional to 515,283.26, 711,095.18 and 285,855.55 is: 394,483.03
Step by Step Solution
- Step 1: Write the proportion equation
515,283.26 : 711,095.18 = 285,855.55 : x - Step 2: Convert to fraction form
515,283.26/711,095.18 = 285,855.55/x - Step 3: Cross multiply
515,283.26x = 711,095.18 × 285,855.55 - Step 4: Simplify right side
515,283.26x = 203,270,500,574.23 - Step 5: Solve for x
x = 203,270,500,574.23/515,283.26 - Step 6: Final answer
x = 394,483.03
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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.