Finding the Fourth Proportional to 456,328.08, 629,736.93 and 252,368.46
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Solution
The fourth proportional to 456,328.08, 629,736.93 and 252,368.46 is: 348,270.79
Step by Step Solution
- Step 1: Write the proportion equation
456,328.08 : 629,736.93 = 252,368.46 : x - Step 2: Convert to fraction form
456,328.08/629,736.93 = 252,368.46/x - Step 3: Cross multiply
456,328.08x = 629,736.93 × 252,368.46 - Step 4: Simplify right side
456,328.08x = 158,925,739,229.23 - Step 5: Solve for x
x = 158,925,739,229.23/456,328.08 - Step 6: Final answer
x = 348,270.79
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1.5x scale
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.