Finding the Fourth Proportional to 417,617.28, 576,312.21 and 226,630.65
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Solution
The fourth proportional to 417,617.28, 576,312.21 and 226,630.65 is: 312,750.49
Step by Step Solution
- Step 1: Write the proportion equation
417,617.28 : 576,312.21 = 226,630.65 : x - Step 2: Convert to fraction form
417,617.28/576,312.21 = 226,630.65/x - Step 3: Cross multiply
417,617.28x = 576,312.21 × 226,630.65 - Step 4: Simplify right side
417,617.28x = 130,610,010,755.24 - Step 5: Solve for x
x = 130,610,010,755.24/417,617.28 - Step 6: Final answer
x = 312,750.49
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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.