Finding the Fourth Proportional to 382,129.04, 527,326.68 and 218,780.14
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Solution
The fourth proportional to 382,129.04, 527,326.68 and 218,780.14 is: 301,910.07
Step by Step Solution
- Step 1: Write the proportion equation
382,129.04 : 527,326.68 = 218,780.14 : x - Step 2: Convert to fraction form
382,129.04/527,326.68 = 218,780.14/x - Step 3: Cross multiply
382,129.04x = 527,326.68 × 218,780.14 - Step 4: Simplify right side
382,129.04x = 115,368,604,751.66 - Step 5: Solve for x
x = 115,368,604,751.66/382,129.04 - Step 6: Final answer
x = 301,910.07
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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.