Finding the Fourth Proportional to 419,603.08, 629,953.41 and 249,135.99
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Solution
The fourth proportional to 419,603.08, 629,953.41 and 249,135.99 is: 374,029.82
Step by Step Solution
- Step 1: Write the proportion equation
419,603.08 : 629,953.41 = 249,135.99 : x - Step 2: Convert to fraction form
419,603.08/629,953.41 = 249,135.99/x - Step 3: Cross multiply
419,603.08x = 629,953.41 × 249,135.99 - Step 4: Simplify right side
419,603.08x = 156,944,066,454.23 - Step 5: Solve for x
x = 156,944,066,454.23/419,603.08 - Step 6: Final answer
x = 374,029.82
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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.