Finding the Fourth Proportional to 452,705.12, 624,731.01 and 248,755.44
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Solution
The fourth proportional to 452,705.12, 624,731.01 and 248,755.44 is: 343,281.38
Step by Step Solution
- Step 1: Write the proportion equation
452,705.12 : 624,731.01 = 248,755.44 : x - Step 2: Convert to fraction form
452,705.12/624,731.01 = 248,755.44/x - Step 3: Cross multiply
452,705.12x = 624,731.01 × 248,755.44 - Step 4: Simplify right side
452,705.12x = 155,405,238,214.13 - Step 5: Solve for x
x = 155,405,238,214.13/452,705.12 - Step 6: Final answer
x = 343,281.38
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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.