Finding the Fourth Proportional to 638,057.04, 880,558.02 and 351,577.08
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Solution
The fourth proportional to 638,057.04, 880,558.02 and 351,577.08 is: 485,198.03
Step by Step Solution
- Step 1: Write the proportion equation
638,057.04 : 880,558.02 = 351,577.08 : x - Step 2: Convert to fraction form
638,057.04/880,558.02 = 351,577.08/x - Step 3: Cross multiply
638,057.04x = 880,558.02 × 351,577.08 - Step 4: Simplify right side
638,057.04x = 309,584,017,442.18 - Step 5: Solve for x
x = 309,584,017,442.18/638,057.04 - Step 6: Final answer
x = 485,198.03
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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.