Finding the Fourth Proportional to 612,915.08, 919,174.77 and 223,366.03
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Solution
The fourth proportional to 612,915.08, 919,174.77 and 223,366.03 is: 334,976.94
Step by Step Solution
- Step 1: Write the proportion equation
612,915.08 : 919,174.77 = 223,366.03 : x - Step 2: Convert to fraction form
612,915.08/919,174.77 = 223,366.03/x - Step 3: Cross multiply
612,915.08x = 919,174.77 × 223,366.03 - Step 4: Simplify right side
612,915.08x = 205,312,416,953.13 - Step 5: Solve for x
x = 205,312,416,953.13/612,915.08 - Step 6: Final answer
x = 334,976.94
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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.