Finding the Fourth Proportional to 175,838.14, 242,656.77 and 103,226.82
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Solution
The fourth proportional to 175,838.14, 242,656.77 and 103,226.82 is: 142,453.09
Step by Step Solution
- Step 1: Write the proportion equation
175,838.14 : 242,656.77 = 103,226.82 : x - Step 2: Convert to fraction form
175,838.14/242,656.77 = 103,226.82/x - Step 3: Cross multiply
175,838.14x = 242,656.77 × 103,226.82 - Step 4: Simplify right side
175,838.14x = 25,048,686,718.57 - Step 5: Solve for x
x = 25,048,686,718.57/175,838.14 - Step 6: Final answer
x = 142,453.09
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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.