Finding the Fourth Proportional to 230,625.21, 318,269.22 and 135,135.93
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Solution
The fourth proportional to 230,625.21, 318,269.22 and 135,135.93 is: 186,491.35
Step by Step Solution
- Step 1: Write the proportion equation
230,625.21 : 318,269.22 = 135,135.93 : x - Step 2: Convert to fraction form
230,625.21/318,269.22 = 135,135.93/x - Step 3: Cross multiply
230,625.21x = 318,269.22 × 135,135.93 - Step 4: Simplify right side
230,625.21x = 43,009,607,035.07 - Step 5: Solve for x
x = 43,009,607,035.07/230,625.21 - Step 6: Final answer
x = 186,491.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.