Finding the Fourth Proportional to 868,312.28, 1,302,350.18 and 228,562.44
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Solution
The fourth proportional to 868,312.28, 1,302,350.18 and 228,562.44 is: 342,812.54
Step by Step Solution
- Step 1: Write the proportion equation
868,312.28 : 1,302,350.18 = 228,562.44 : x - Step 2: Convert to fraction form
868,312.28/1,302,350.18 = 228,562.44/x - Step 3: Cross multiply
868,312.28x = 1,302,350.18 × 228,562.44 - Step 4: Simplify right side
868,312.28x = 297,668,333,732.43 - Step 5: Solve for x
x = 297,668,333,732.43/868,312.28 - Step 6: Final answer
x = 342,812.54
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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.