Finding the Fourth Proportional to 175,521.89, 242,206.87 and 99,048.09
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Solution
The fourth proportional to 175,521.89, 242,206.87 and 99,048.09 is: 136,678.84
Step by Step Solution
- Step 1: Write the proportion equation
175,521.89 : 242,206.87 = 99,048.09 : x - Step 2: Convert to fraction form
175,521.89/242,206.87 = 99,048.09/x - Step 3: Cross multiply
175,521.89x = 242,206.87 × 99,048.09 - Step 4: Simplify right side
175,521.89x = 23,990,127,858.38 - Step 5: Solve for x
x = 23,990,127,858.38/175,521.89 - Step 6: Final answer
x = 136,678.84
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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.