Finding the Fourth Proportional to 399,449.27, 551,166.36 and 236,132.12
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Solution
The fourth proportional to 399,449.27, 551,166.36 and 236,132.12 is: 325,818.80
Step by Step Solution
- Step 1: Write the proportion equation
399,449.27 : 551,166.36 = 236,132.12 : x - Step 2: Convert to fraction form
399,449.27/551,166.36 = 236,132.12/x - Step 3: Cross multiply
399,449.27x = 551,166.36 × 236,132.12 - Step 4: Simplify right side
399,449.27x = 130,148,081,059.48 - Step 5: Solve for x
x = 130,148,081,059.48/399,449.27 - Step 6: Final answer
x = 325,818.80
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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.