Finding the Fourth Proportional to 366,830.70, 550,246.05 and 130,197.30
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Solution
The fourth proportional to 366,830.70, 550,246.05 and 130,197.30 is: 195,295.95
Step by Step Solution
- Step 1: Write the proportion equation
366,830.70 : 550,246.05 = 130,197.30 : x - Step 2: Convert to fraction form
366,830.70/550,246.05 = 130,197.30/x - Step 3: Cross multiply
366,830.70x = 550,246.05 × 130,197.30 - Step 4: Simplify right side
366,830.70x = 71,640,550,045.67 - Step 5: Solve for x
x = 71,640,550,045.67/366,830.70 - Step 6: Final answer
x = 195,295.95
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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.