Finding the Fourth Proportional to 230,690.43, 318,352.95 and 135,197.10
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Solution
The fourth proportional to 230,690.43, 318,352.95 and 135,197.10 is: 186,572.09
Step by Step Solution
- Step 1: Write the proportion equation
230,690.43 : 318,352.95 = 135,197.10 : x - Step 2: Convert to fraction form
230,690.43/318,352.95 = 135,197.10/x - Step 3: Cross multiply
230,690.43x = 318,352.95 × 135,197.10 - Step 4: Simplify right side
230,690.43x = 43,040,395,616.45 - Step 5: Solve for x
x = 43,040,395,616.45/230,690.43 - Step 6: Final answer
x = 186,572.09
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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.