Finding the Fourth Proportional to 417,830.80, 576,606.50 and 226,844.20
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Solution
The fourth proportional to 417,830.80, 576,606.50 and 226,844.20 is: 313,044.99
Step by Step Solution
- Step 1: Write the proportion equation
417,830.80 : 576,606.50 = 226,844.20 : x - Step 2: Convert to fraction form
417,830.80/576,606.50 = 226,844.20/x - Step 3: Cross multiply
417,830.80x = 576,606.50 × 226,844.20 - Step 4: Simplify right side
417,830.80x = 130,799,840,207.30 - Step 5: Solve for x
x = 130,799,840,207.30/417,830.80 - Step 6: Final answer
x = 313,044.99
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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.