Finding the Fourth Proportional to 190,245.84, 262,543.86 and 105,369.18
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Solution
The fourth proportional to 190,245.84, 262,543.86 and 105,369.18 is: 145,412.02
Step by Step Solution
- Step 1: Write the proportion equation
190,245.84 : 262,543.86 = 105,369.18 : x - Step 2: Convert to fraction form
190,245.84/262,543.86 = 105,369.18/x - Step 3: Cross multiply
190,245.84x = 262,543.86 × 105,369.18 - Step 4: Simplify right side
190,245.84x = 27,664,031,242.23 - Step 5: Solve for x
x = 27,664,031,242.23/190,245.84 - Step 6: Final answer
x = 145,412.02
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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.