Finding the Fourth Proportional to 519,716.99, 779,603.00 and 164,758.70
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Solution
The fourth proportional to 519,716.99, 779,603.00 and 164,758.70 is: 247,146.77
Step by Step Solution
- Step 1: Write the proportion equation
519,716.99 : 779,603.00 = 164,758.70 : x - Step 2: Convert to fraction form
519,716.99/779,603.00 = 164,758.70/x - Step 3: Cross multiply
519,716.99x = 779,603.00 × 164,758.70 - Step 4: Simplify right side
519,716.99x = 128,446,372,074.29 - Step 5: Solve for x
x = 128,446,372,074.29/519,716.99 - Step 6: Final answer
x = 247,146.77
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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.