Finding the Fourth Proportional to 192,921.69, 266,243.00 and 108,038.01
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Solution
The fourth proportional to 192,921.69, 266,243.00 and 108,038.01 is: 149,098.65
Step by Step Solution
- Step 1: Write the proportion equation
192,921.69 : 266,243.00 = 108,038.01 : x - Step 2: Convert to fraction form
192,921.69/266,243.00 = 108,038.01/x - Step 3: Cross multiply
192,921.69x = 266,243.00 × 108,038.01 - Step 4: Simplify right side
192,921.69x = 28,764,363,356.24 - Step 5: Solve for x
x = 28,764,363,356.24/192,921.69 - Step 6: Final answer
x = 149,098.65
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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.