Finding the Fourth Proportional to 355,578.53, 533,368.26 and 145,216.53
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Solution
The fourth proportional to 355,578.53, 533,368.26 and 145,216.53 is: 217,824.99
Step by Step Solution
- Step 1: Write the proportion equation
355,578.53 : 533,368.26 = 145,216.53 : x - Step 2: Convert to fraction form
355,578.53/533,368.26 = 145,216.53/x - Step 3: Cross multiply
355,578.53x = 533,368.26 × 145,216.53 - Step 4: Simplify right side
355,578.53x = 77,453,887,929.34 - Step 5: Solve for x
x = 77,453,887,929.34/355,578.53 - Step 6: Final answer
x = 217,824.99
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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.