Finding the Fourth Proportional to 151,026.24, 208,420.74 and 83,039.70
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Solution
The fourth proportional to 151,026.24, 208,420.74 and 83,039.70 is: 114,597.28
Step by Step Solution
- Step 1: Write the proportion equation
151,026.24 : 208,420.74 = 83,039.70 : x - Step 2: Convert to fraction form
151,026.24/208,420.74 = 83,039.70/x - Step 3: Cross multiply
151,026.24x = 208,420.74 × 83,039.70 - Step 4: Simplify right side
151,026.24x = 17,307,195,723.38 - Step 5: Solve for x
x = 17,307,195,723.38/151,026.24 - Step 6: Final answer
x = 114,597.28
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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.