Finding the Fourth Proportional to 236,915.74, 326,943.18 and 134,941.18
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Solution
The fourth proportional to 236,915.74, 326,943.18 and 134,941.18 is: 186,218.52
Step by Step Solution
- Step 1: Write the proportion equation
236,915.74 : 326,943.18 = 134,941.18 : x - Step 2: Convert to fraction form
236,915.74/326,943.18 = 134,941.18/x - Step 3: Cross multiply
236,915.74x = 326,943.18 × 134,941.18 - Step 4: Simplify right side
236,915.74x = 44,118,098,502.15 - Step 5: Solve for x
x = 44,118,098,502.15/236,915.74 - Step 6: Final answer
x = 186,218.52
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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.