Finding the Fourth Proportional to 413,569.17, 620,014.76 and 147,177.99
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Solution
The fourth proportional to 413,569.17, 620,014.76 and 147,177.99 is: 220,646.35
Step by Step Solution
- Step 1: Write the proportion equation
413,569.17 : 620,014.76 = 147,177.99 : x - Step 2: Convert to fraction form
413,569.17/620,014.76 = 147,177.99/x - Step 3: Cross multiply
413,569.17x = 620,014.76 × 147,177.99 - Step 4: Simplify right side
413,569.17x = 91,252,526,147.13 - Step 5: Solve for x
x = 91,252,526,147.13/413,569.17 - Step 6: Final answer
x = 220,646.35
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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.