Finding the Fourth Proportional to 868,316.28, 1,302,356.17 and 228,566.44
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Solution
The fourth proportional to 868,316.28, 1,302,356.17 and 228,566.44 is: 342,818.53
Step by Step Solution
- Step 1: Write the proportion equation
868,316.28 : 1,302,356.17 = 228,566.44 : x - Step 2: Convert to fraction form
868,316.28/1,302,356.17 = 228,566.44/x - Step 3: Cross multiply
868,316.28x = 1,302,356.17 × 228,566.44 - Step 4: Simplify right side
868,316.28x = 297,674,913,388.94 - Step 5: Solve for x
x = 297,674,913,388.94/868,316.28 - Step 6: Final answer
x = 342,818.53
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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.