Finding the Fourth Proportional to 175,558.74, 242,389.80 and 115,231.92
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Solution
The fourth proportional to 175,558.74, 242,389.80 and 115,231.92 is: 159,097.99
Step by Step Solution
- Step 1: Write the proportion equation
175,558.74 : 242,389.80 = 115,231.92 : x - Step 2: Convert to fraction form
175,558.74/242,389.80 = 115,231.92/x - Step 3: Cross multiply
175,558.74x = 242,389.80 × 115,231.92 - Step 4: Simplify right side
175,558.74x = 27,931,042,042.42 - Step 5: Solve for x
x = 27,931,042,042.42/175,558.74 - Step 6: Final answer
x = 159,097.99
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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.