Finding the Fourth Proportional to 263,499.21, 363,838.53 and 243,348.74
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Solution
The fourth proportional to 263,499.21, 363,838.53 and 243,348.74 is: 336,014.85
Step by Step Solution
- Step 1: Write the proportion equation
263,499.21 : 363,838.53 = 243,348.74 : x - Step 2: Convert to fraction form
263,499.21/363,838.53 = 243,348.74/x - Step 3: Cross multiply
263,499.21x = 363,838.53 × 243,348.74 - Step 4: Simplify right side
263,499.21x = 88,539,648,296.71 - Step 5: Solve for x
x = 88,539,648,296.71/263,499.21 - Step 6: Final answer
x = 336,014.85
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1.5x scale
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.