Finding the Fourth Proportional to 417,858.19, 576,638.36 and 226,878.91
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Solution
The fourth proportional to 417,858.19, 576,638.36 and 226,878.91 is: 313,089.67
Step by Step Solution
- Step 1: Write the proportion equation
417,858.19 : 576,638.36 = 226,878.91 : x - Step 2: Convert to fraction form
417,858.19/576,638.36 = 226,878.91/x - Step 3: Cross multiply
417,858.19x = 576,638.36 × 226,878.91 - Step 4: Simplify right side
417,858.19x = 130,827,082,580.99 - Step 5: Solve for x
x = 130,827,082,580.99/417,858.19 - Step 6: Final answer
x = 313,089.67
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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.