Finding the Fourth Proportional to 113,342.48, 155,417.96 and 110,390.03
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Solution
The fourth proportional to 113,342.48, 155,417.96 and 110,390.03 is: 151,369.49
Step by Step Solution
- Step 1: Write the proportion equation
113,342.48 : 155,417.96 = 110,390.03 : x - Step 2: Convert to fraction form
113,342.48/155,417.96 = 110,390.03/x - Step 3: Cross multiply
113,342.48x = 155,417.96 × 110,390.03 - Step 4: Simplify right side
113,342.48x = 17,156,593,266.94 - Step 5: Solve for x
x = 17,156,593,266.94/113,342.48 - Step 6: Final answer
x = 151,369.49
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.