Finding the Fourth Proportional to 519,594.75, 779,395.77 and 145,617.75
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Solution
The fourth proportional to 519,594.75, 779,395.77 and 145,617.75 is: 218,427.65
Step by Step Solution
- Step 1: Write the proportion equation
519,594.75 : 779,395.77 = 145,617.75 : x - Step 2: Convert to fraction form
519,594.75/779,395.77 = 145,617.75/x - Step 3: Cross multiply
519,594.75x = 779,395.77 × 145,617.75 - Step 4: Simplify right side
519,594.75x = 113,493,858,386.92 - Step 5: Solve for x
x = 113,493,858,386.92/519,594.75 - Step 6: Final answer
x = 218,427.65
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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.