Finding the Fourth Proportional to 417,695.06, 576,419.60 and 226,708.49
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Solution
The fourth proportional to 417,695.06, 576,419.60 and 226,708.49 is: 312,857.94
Step by Step Solution
- Step 1: Write the proportion equation
417,695.06 : 576,419.60 = 226,708.49 : x - Step 2: Convert to fraction form
417,695.06/576,419.60 = 226,708.49/x - Step 3: Cross multiply
417,695.06x = 576,419.60 × 226,708.49 - Step 4: Simplify right side
417,695.06x = 130,679,214,807.08 - Step 5: Solve for x
x = 130,679,214,807.08/417,695.06 - Step 6: Final answer
x = 312,857.94
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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.