Finding the Fourth Proportional to 526,081.47, 789,239.12 and 245,445.63
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Solution
The fourth proportional to 526,081.47, 789,239.12 and 245,445.63 is: 368,222.99
Step by Step Solution
- Step 1: Write the proportion equation
526,081.47 : 789,239.12 = 245,445.63 : x - Step 2: Convert to fraction form
526,081.47/789,239.12 = 245,445.63/x - Step 3: Cross multiply
526,081.47x = 789,239.12 × 245,445.63 - Step 4: Simplify right side
526,081.47x = 193,715,291,801.82 - Step 5: Solve for x
x = 193,715,291,801.82/526,081.47 - Step 6: Final answer
x = 368,222.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.