Finding the Fourth Proportional to 236,490.79, 326,364.92 and 134,513.63
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Solution
The fourth proportional to 236,490.79, 326,364.92 and 134,513.63 is: 185,633.15
Step by Step Solution
- Step 1: Write the proportion equation
236,490.79 : 326,364.92 = 134,513.63 : x - Step 2: Convert to fraction form
236,490.79/326,364.92 = 134,513.63/x - Step 3: Cross multiply
236,490.79x = 326,364.92 × 134,513.63 - Step 4: Simplify right side
236,490.79x = 43,900,530,274.40 - Step 5: Solve for x
x = 43,900,530,274.40/236,490.79 - Step 6: Final answer
x = 185,633.15
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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.