Finding the Fourth Proportional to 496,041.84, 684,523.44 and 281,201.76
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Solution
The fourth proportional to 496,041.84, 684,523.44 and 281,201.76 is: 388,050.32
Step by Step Solution
- Step 1: Write the proportion equation
496,041.84 : 684,523.44 = 281,201.76 : x - Step 2: Convert to fraction form
496,041.84/684,523.44 = 281,201.76/x - Step 3: Cross multiply
496,041.84x = 684,523.44 × 281,201.76 - Step 4: Simplify right side
496,041.84x = 192,489,196,089.25 - Step 5: Solve for x
x = 192,489,196,089.25/496,041.84 - Step 6: Final answer
x = 388,050.32
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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.