Finding the Fourth Proportional to 353,137.14, 487,530.09 and 232,628.58
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Solution
The fourth proportional to 353,137.14, 487,530.09 and 232,628.58 is: 321,159.74
Step by Step Solution
- Step 1: Write the proportion equation
353,137.14 : 487,530.09 = 232,628.58 : x - Step 2: Convert to fraction form
353,137.14/487,530.09 = 232,628.58/x - Step 3: Cross multiply
353,137.14x = 487,530.09 × 232,628.58 - Step 4: Simplify right side
353,137.14x = 113,413,432,543.97 - Step 5: Solve for x
x = 113,413,432,543.97/353,137.14 - Step 6: Final answer
x = 321,159.74
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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.