Finding the Fourth Proportional to 174,356.16, 261,495.36 and 69,146.88
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Solution
The fourth proportional to 174,356.16, 261,495.36 and 69,146.88 is: 103,704.90
Step by Step Solution
- Step 1: Write the proportion equation
174,356.16 : 261,495.36 = 69,146.88 : x - Step 2: Convert to fraction form
174,356.16/261,495.36 = 69,146.88/x - Step 3: Cross multiply
174,356.16x = 261,495.36 × 69,146.88 - Step 4: Simplify right side
174,356.16x = 18,081,588,278.48 - Step 5: Solve for x
x = 18,081,588,278.48/174,356.16 - Step 6: Final answer
x = 103,704.90
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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.