Finding the Fourth Proportional to 145,200,400.40, 203,431,726 and 145,200,400.40
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Solution
The fourth proportional to 145,200,400.40, 203,431,726 and 145,200,400.40 is: 203,431,726
Step by Step Solution
- Step 1: Write the proportion equation
145,200,400.40 : 203,431,726 = 145,200,400.40 : x - Step 2: Convert to fraction form
145,200,400.40/203,431,726 = 145,200,400.40/x - Step 3: Cross multiply
145,200,400.40x = 203,431,726 × 145,200,400.40 - Step 4: Simplify right side
145,200,400.40x = 29,538,368,069,263,092 - Step 5: Solve for x
x = 29,538,368,069,263,092/145,200,400.40 - Step 6: Final answer
x = 203,431,726
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.