Finding the Fourth Proportional to 395,313.48, 545,783.94 and 259,588.26
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Solution
The fourth proportional to 395,313.48, 545,783.94 and 259,588.26 is: 358,396.84
Step by Step Solution
- Step 1: Write the proportion equation
395,313.48 : 545,783.94 = 259,588.26 : x - Step 2: Convert to fraction form
395,313.48/545,783.94 = 259,588.26/x - Step 3: Cross multiply
395,313.48x = 545,783.94 × 259,588.26 - Step 4: Simplify right side
395,313.48x = 141,679,103,320.54 - Step 5: Solve for x
x = 141,679,103,320.54/395,313.48 - Step 6: Final answer
x = 358,396.84
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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.