Finding the Fourth Proportional to 308,243.62, 423,742.69 and 265,064.95
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Solution
The fourth proportional to 308,243.62, 423,742.69 and 265,064.95 is: 364,384.95
Step by Step Solution
- Step 1: Write the proportion equation
308,243.62 : 423,742.69 = 265,064.95 : x - Step 2: Convert to fraction form
308,243.62/423,742.69 = 265,064.95/x - Step 3: Cross multiply
308,243.62x = 423,742.69 × 265,064.95 - Step 4: Simplify right side
308,243.62x = 112,319,334,937.72 - Step 5: Solve for x
x = 112,319,334,937.72/308,243.62 - Step 6: Final answer
x = 364,384.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.