Finding the Fourth Proportional to 395,464.77, 545,751.36 and 242,587.26
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Solution
The fourth proportional to 395,464.77, 545,751.36 and 242,587.26 is: 334,776.54
Step by Step Solution
- Step 1: Write the proportion equation
395,464.77 : 545,751.36 = 242,587.26 : x - Step 2: Convert to fraction form
395,464.77/545,751.36 = 242,587.26/x - Step 3: Cross multiply
395,464.77x = 545,751.36 × 242,587.26 - Step 4: Simplify right side
395,464.77x = 132,392,327,063.67 - Step 5: Solve for x
x = 132,392,327,063.67/395,464.77 - Step 6: Final answer
x = 334,776.54
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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.