Finding the Fourth Proportional to 355,035.18, 489,946.04 and 193,890.26
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Solution
The fourth proportional to 355,035.18, 489,946.04 and 193,890.26 is: 267,567.19
Step by Step Solution
- Step 1: Write the proportion equation
355,035.18 : 489,946.04 = 193,890.26 : x - Step 2: Convert to fraction form
355,035.18/489,946.04 = 193,890.26/x - Step 3: Cross multiply
355,035.18x = 489,946.04 × 193,890.26 - Step 4: Simplify right side
355,035.18x = 94,995,765,081.57 - Step 5: Solve for x
x = 94,995,765,081.57/355,035.18 - Step 6: Final answer
x = 267,567.19
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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.