Finding the Fourth Proportional to 318,784.26, 439,922.26 and 175,543.98
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Solution
The fourth proportional to 318,784.26, 439,922.26 and 175,543.98 is: 242,250.68
Step by Step Solution
- Step 1: Write the proportion equation
318,784.26 : 439,922.26 = 175,543.98 : x - Step 2: Convert to fraction form
318,784.26/439,922.26 = 175,543.98/x - Step 3: Cross multiply
318,784.26x = 439,922.26 × 175,543.98 - Step 4: Simplify right side
318,784.26x = 77,225,704,410.99 - Step 5: Solve for x
x = 77,225,704,410.99/318,784.26 - Step 6: Final answer
x = 242,250.68
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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.