Finding the Fourth Proportional to 215,485.98, 297,370.64 and 124,894.49
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Solution
The fourth proportional to 215,485.98, 297,370.64 and 124,894.49 is: 172,354.39
Step by Step Solution
- Step 1: Write the proportion equation
215,485.98 : 297,370.64 = 124,894.49 : x - Step 2: Convert to fraction form
215,485.98/297,370.64 = 124,894.49/x - Step 3: Cross multiply
215,485.98x = 297,370.64 × 124,894.49 - Step 4: Simplify right side
215,485.98x = 37,139,955,406.96 - Step 5: Solve for x
x = 37,139,955,406.96/215,485.98 - Step 6: Final answer
x = 172,354.39
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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.