Finding the Fourth Proportional to 395,883.24, 546,312.16 and 223,798.53
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Solution
The fourth proportional to 395,883.24, 546,312.16 and 223,798.53 is: 308,838.18
Step by Step Solution
- Step 1: Write the proportion equation
395,883.24 : 546,312.16 = 223,798.53 : x - Step 2: Convert to fraction form
395,883.24/546,312.16 = 223,798.53/x - Step 3: Cross multiply
395,883.24x = 546,312.16 × 223,798.53 - Step 4: Simplify right side
395,883.24x = 122,263,858,329.13 - Step 5: Solve for x
x = 122,263,858,329.13/395,883.24 - Step 6: Final answer
x = 308,838.18
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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.