Finding the Fourth Proportional to 424,711.98, 637,461.63 and 214,497.54
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Solution
The fourth proportional to 424,711.98, 637,461.63 and 214,497.54 is: 321,945.12
Step by Step Solution
- Step 1: Write the proportion equation
424,711.98 : 637,461.63 = 214,497.54 : x - Step 2: Convert to fraction form
424,711.98/637,461.63 = 214,497.54/x - Step 3: Cross multiply
424,711.98x = 637,461.63 × 214,497.54 - Step 4: Simplify right side
424,711.98x = 136,733,951,479.39 - Step 5: Solve for x
x = 136,733,951,479.39/424,711.98 - Step 6: Final answer
x = 321,945.12
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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.