Finding the Fourth Proportional to 175,665.74, 242,329.23 and 106,736.63
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Solution
The fourth proportional to 175,665.74, 242,329.23 and 106,736.63 is: 147,242.17
Step by Step Solution
- Step 1: Write the proportion equation
175,665.74 : 242,329.23 = 106,736.63 : x - Step 2: Convert to fraction form
175,665.74/242,329.23 = 106,736.63/x - Step 3: Cross multiply
175,665.74x = 242,329.23 × 106,736.63 - Step 4: Simplify right side
175,665.74x = 25,865,404,149.05 - Step 5: Solve for x
x = 25,865,404,149.05/175,665.74 - Step 6: Final answer
x = 147,242.17
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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.