Finding the Fourth Proportional to 424,709.73, 637,458.44 and 214,495.17
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Solution
The fourth proportional to 424,709.73, 637,458.44 and 214,495.17 is: 321,941.66
Step by Step Solution
- Step 1: Write the proportion equation
424,709.73 : 637,458.44 = 214,495.17 : x - Step 2: Convert to fraction form
424,709.73/637,458.44 = 214,495.17/x - Step 3: Cross multiply
424,709.73x = 637,458.44 × 214,495.17 - Step 4: Simplify right side
424,709.73x = 136,731,756,455.74 - Step 5: Solve for x
x = 136,731,756,455.74/424,709.73 - Step 6: Final answer
x = 321,941.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.