Finding the Fourth Proportional to 438,095.76, 604,572.80 and 236,891.76
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Solution
The fourth proportional to 438,095.76, 604,572.80 and 236,891.76 is: 326,910.98
Step by Step Solution
- Step 1: Write the proportion equation
438,095.76 : 604,572.80 = 236,891.76 : x - Step 2: Convert to fraction form
438,095.76/604,572.80 = 236,891.76/x - Step 3: Cross multiply
438,095.76x = 604,572.80 × 236,891.76 - Step 4: Simplify right side
438,095.76x = 143,218,314,640.13 - Step 5: Solve for x
x = 143,218,314,640.13/438,095.76 - Step 6: Final answer
x = 326,910.98
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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.