Finding the Fourth Proportional to 321,887.70, 482,829.15 and 97,247.70
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Solution
The fourth proportional to 321,887.70, 482,829.15 and 97,247.70 is: 145,870.82
Step by Step Solution
- Step 1: Write the proportion equation
321,887.70 : 482,829.15 = 97,247.70 : x - Step 2: Convert to fraction form
321,887.70/482,829.15 = 97,247.70/x - Step 3: Cross multiply
321,887.70x = 482,829.15 × 97,247.70 - Step 4: Simplify right side
321,887.70x = 46,954,024,330.46 - Step 5: Solve for x
x = 46,954,024,330.46/321,887.70 - Step 6: Final answer
x = 145,870.82
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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.