Finding the Fourth Proportional to 255,626.10, 352,747.94 and 140,898.42
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Solution
The fourth proportional to 255,626.10, 352,747.94 and 140,898.42 is: 194,430.95
Step by Step Solution
- Step 1: Write the proportion equation
255,626.10 : 352,747.94 = 140,898.42 : x - Step 2: Convert to fraction form
255,626.10/352,747.94 = 140,898.42/x - Step 3: Cross multiply
255,626.10x = 352,747.94 × 140,898.42 - Step 4: Simplify right side
255,626.10x = 49,701,626,699.76 - Step 5: Solve for x
x = 49,701,626,699.76/255,626.10 - Step 6: Final answer
x = 194,430.95
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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.