Finding the Fourth Proportional to 190,151.79, 262,129.88 and 144,750.63
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Solution
The fourth proportional to 190,151.79, 262,129.88 and 144,750.63 is: 199,543.03
Step by Step Solution
- Step 1: Write the proportion equation
190,151.79 : 262,129.88 = 144,750.63 : x - Step 2: Convert to fraction form
190,151.79/262,129.88 = 144,750.63/x - Step 3: Cross multiply
190,151.79x = 262,129.88 × 144,750.63 - Step 4: Simplify right side
190,151.79x = 37,943,464,548.07 - Step 5: Solve for x
x = 37,943,464,548.07/190,151.79 - Step 6: Final answer
x = 199,543.03
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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.