Finding the Fourth Proportional to 509,167.36, 763,771.52 and 135,193.60
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Solution
The fourth proportional to 509,167.36, 763,771.52 and 135,193.60 is: 202,795.84
Step by Step Solution
- Step 1: Write the proportion equation
509,167.36 : 763,771.52 = 135,193.60 : x - Step 2: Convert to fraction form
509,167.36/763,771.52 = 135,193.60/x - Step 3: Cross multiply
509,167.36x = 763,771.52 × 135,193.60 - Step 4: Simplify right side
509,167.36x = 103,257,021,366.27 - Step 5: Solve for x
x = 103,257,021,366.27/509,167.36 - Step 6: Final answer
x = 202,795.84
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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.