Finding the Fourth Proportional to 478,243.84, 659,953.44 and 263,392.96
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Solution
The fourth proportional to 478,243.84, 659,953.44 and 263,392.96 is: 363,469.58
Step by Step Solution
- Step 1: Write the proportion equation
478,243.84 : 659,953.44 = 263,392.96 : x - Step 2: Convert to fraction form
478,243.84/659,953.44 = 263,392.96/x - Step 3: Cross multiply
478,243.84x = 659,953.44 × 263,392.96 - Step 4: Simplify right side
478,243.84x = 173,827,090,023.78 - Step 5: Solve for x
x = 173,827,090,023.78/478,243.84 - Step 6: Final answer
x = 363,469.58
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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.