Finding the Fourth Proportional to 439,398.24, 606,346.02 and 248,400.24
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Solution
The fourth proportional to 439,398.24, 606,346.02 and 248,400.24 is: 342,779.02
Step by Step Solution
- Step 1: Write the proportion equation
439,398.24 : 606,346.02 = 248,400.24 : x - Step 2: Convert to fraction form
439,398.24/606,346.02 = 248,400.24/x - Step 3: Cross multiply
439,398.24x = 606,346.02 × 248,400.24 - Step 4: Simplify right side
439,398.24x = 150,616,496,891.05 - Step 5: Solve for x
x = 150,616,496,891.05/439,398.24 - Step 6: Final answer
x = 342,779.02
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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.