Finding the Fourth Proportional to 346,035.84, 477,231.12 and 225,132.96
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Solution
The fourth proportional to 346,035.84, 477,231.12 and 225,132.96 is: 310,489.38
Step by Step Solution
- Step 1: Write the proportion equation
346,035.84 : 477,231.12 = 225,132.96 : x - Step 2: Convert to fraction form
346,035.84/477,231.12 = 225,132.96/x - Step 3: Cross multiply
346,035.84x = 477,231.12 × 225,132.96 - Step 4: Simplify right side
346,035.84x = 107,440,454,649.72 - Step 5: Solve for x
x = 107,440,454,649.72/346,035.84 - Step 6: Final answer
x = 310,489.38
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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.