Finding the Fourth Proportional to 366,929.70, 550,394.55 and 209,465.70
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Solution
The fourth proportional to 366,929.70, 550,394.55 and 209,465.70 is: 314,198.55
Step by Step Solution
- Step 1: Write the proportion equation
366,929.70 : 550,394.55 = 209,465.70 : x - Step 2: Convert to fraction form
366,929.70/550,394.55 = 209,465.70/x - Step 3: Cross multiply
366,929.70x = 550,394.55 × 209,465.70 - Step 4: Simplify right side
366,929.70x = 115,288,779,691.94 - Step 5: Solve for x
x = 115,288,779,691.94/366,929.70 - Step 6: Final answer
x = 314,198.55
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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.