Finding the Fourth Proportional to 438,368.63, 604,946.18 and 237,160.31
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Solution
The fourth proportional to 438,368.63, 604,946.18 and 237,160.31 is: 327,279.86
Step by Step Solution
- Step 1: Write the proportion equation
438,368.63 : 604,946.18 = 237,160.31 : x - Step 2: Convert to fraction form
438,368.63/604,946.18 = 237,160.31/x - Step 3: Cross multiply
438,368.63x = 604,946.18 × 237,160.31 - Step 4: Simplify right side
438,368.63x = 143,469,222,396.31 - Step 5: Solve for x
x = 143,469,222,396.31/438,368.63 - Step 6: Final answer
x = 327,279.86
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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.