Finding the Fourth Proportional to 637,696.80, 880,027.20 and 351,226.80
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Solution
The fourth proportional to 637,696.80, 880,027.20 and 351,226.80 is: 484,696.08
Step by Step Solution
- Step 1: Write the proportion equation
637,696.80 : 880,027.20 = 351,226.80 : x - Step 2: Convert to fraction form
637,696.80/880,027.20 = 351,226.80/x - Step 3: Cross multiply
637,696.80x = 880,027.20 × 351,226.80 - Step 4: Simplify right side
637,696.80x = 309,089,137,368.96 - Step 5: Solve for x
x = 309,089,137,368.96/637,696.80 - Step 6: Final answer
x = 484,696.08
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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.