Finding the Fourth Proportional to 417,696.05, 576,405.12 and 226,705.34
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Solution
The fourth proportional to 417,696.05, 576,405.12 and 226,705.34 is: 312,844.99
Step by Step Solution
- Step 1: Write the proportion equation
417,696.05 : 576,405.12 = 226,705.34 : x - Step 2: Convert to fraction form
417,696.05/576,405.12 = 226,705.34/x - Step 3: Cross multiply
417,696.05x = 576,405.12 × 226,705.34 - Step 4: Simplify right side
417,696.05x = 130,674,115,825.32 - Step 5: Solve for x
x = 130,674,115,825.32/417,696.05 - Step 6: Final answer
x = 312,844.99
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1.5x scale
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.