Finding the Fourth Proportional to 321,877.70, 482,814.15 and 97,237.70
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Solution
The fourth proportional to 321,877.70, 482,814.15 and 97,237.70 is: 145,855.82
Step by Step Solution
- Step 1: Write the proportion equation
321,877.70 : 482,814.15 = 97,237.70 : x - Step 2: Convert to fraction form
321,877.70/482,814.15 = 97,237.70/x - Step 3: Cross multiply
321,877.70x = 482,814.15 × 97,237.70 - Step 4: Simplify right side
321,877.70x = 46,947,737,473.46 - Step 5: Solve for x
x = 46,947,737,473.46/321,877.70 - Step 6: Final answer
x = 145,855.82
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1.5x scale
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.