Finding the Fourth Proportional to 638,066.10, 880,570.44 and 351,586.14
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Solution
The fourth proportional to 638,066.10, 880,570.44 and 351,586.14 is: 485,210.49
Step by Step Solution
- Step 1: Write the proportion equation
638,066.10 : 880,570.44 = 351,586.14 : x - Step 2: Convert to fraction form
638,066.10/880,570.44 = 351,586.14/x - Step 3: Cross multiply
638,066.10x = 880,570.44 × 351,586.14 - Step 4: Simplify right side
638,066.10x = 309,596,361,997.70 - Step 5: Solve for x
x = 309,596,361,997.70/638,066.10 - Step 6: Final answer
x = 485,210.49
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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.