Finding the Fourth Proportional to 210,894.24, 291,034.08 and 115,400.91
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Solution
The fourth proportional to 210,894.24, 291,034.08 and 115,400.91 is: 159,253.27
Step by Step Solution
- Step 1: Write the proportion equation
210,894.24 : 291,034.08 = 115,400.91 : x - Step 2: Convert to fraction form
210,894.24/291,034.08 = 115,400.91/x - Step 3: Cross multiply
210,894.24x = 291,034.08 × 115,400.91 - Step 4: Simplify right side
210,894.24x = 33,585,597,673.01 - Step 5: Solve for x
x = 33,585,597,673.01/210,894.24 - Step 6: Final answer
x = 159,253.27
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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.