Finding the Fourth Proportional to 417,207.17, 625,888.60 and 189,518.78
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Solution
The fourth proportional to 417,207.17, 625,888.60 and 189,518.78 is: 284,313.53
Step by Step Solution
- Step 1: Write the proportion equation
417,207.17 : 625,888.60 = 189,518.78 : x - Step 2: Convert to fraction form
417,207.17/625,888.60 = 189,518.78/x - Step 3: Cross multiply
417,207.17x = 625,888.60 × 189,518.78 - Step 4: Simplify right side
417,207.17x = 118,617,643,887.91 - Step 5: Solve for x
x = 118,617,643,887.91/417,207.17 - Step 6: Final answer
x = 284,313.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.