Finding the Fourth Proportional to 372,034.71, 557,609.19 and 259,103.51
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Solution
The fourth proportional to 372,034.71, 557,609.19 and 259,103.51 is: 388,346.82
Step by Step Solution
- Step 1: Write the proportion equation
372,034.71 : 557,609.19 = 259,103.51 : x - Step 2: Convert to fraction form
372,034.71/557,609.19 = 259,103.51/x - Step 3: Cross multiply
372,034.71x = 557,609.19 × 259,103.51 - Step 4: Simplify right side
372,034.71x = 144,478,495,549.21 - Step 5: Solve for x
x = 144,478,495,549.21/372,034.71 - Step 6: Final answer
x = 388,346.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.