Finding the Fourth Proportional to 417,811.74, 576,582.56 and 245,736.96
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Solution
The fourth proportional to 417,811.74, 576,582.56 and 245,736.96 is: 339,118.39
Step by Step Solution
- Step 1: Write the proportion equation
417,811.74 : 576,582.56 = 245,736.96 : x - Step 2: Convert to fraction form
417,811.74/576,582.56 = 245,736.96/x - Step 3: Cross multiply
417,811.74x = 576,582.56 × 245,736.96 - Step 4: Simplify right side
417,811.74x = 141,687,645,483.42 - Step 5: Solve for x
x = 141,687,645,483.42/417,811.74 - Step 6: Final answer
x = 339,118.39
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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.