Finding the Fourth Proportional to 302,390.26, 453,454.32 and 91,979.62
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Solution
The fourth proportional to 302,390.26, 453,454.32 and 91,979.62 is: 137,929.56
Step by Step Solution
- Step 1: Write the proportion equation
302,390.26 : 453,454.32 = 91,979.62 : x - Step 2: Convert to fraction form
302,390.26/453,454.32 = 91,979.62/x - Step 3: Cross multiply
302,390.26x = 453,454.32 × 91,979.62 - Step 4: Simplify right side
302,390.26x = 41,708,556,040.96 - Step 5: Solve for x
x = 41,708,556,040.96/302,390.26 - Step 6: Final answer
x = 137,929.56
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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.