Finding the Fourth Proportional to 294,378.86, 406,295.84 and 173,513.09
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Solution
The fourth proportional to 294,378.86, 406,295.84 and 173,513.09 is: 239,479.31
Step by Step Solution
- Step 1: Write the proportion equation
294,378.86 : 406,295.84 = 173,513.09 : x - Step 2: Convert to fraction form
294,378.86/406,295.84 = 173,513.09/x - Step 3: Cross multiply
294,378.86x = 406,295.84 × 173,513.09 - Step 4: Simplify right side
294,378.86x = 70,497,643,753.50 - Step 5: Solve for x
x = 70,497,643,753.50/294,378.86 - Step 6: Final answer
x = 239,479.31
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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.