Finding the Fourth Proportional to 243,893.81, 336,564.88 and 134,998.36
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Solution
The fourth proportional to 243,893.81, 336,564.88 and 134,998.36 is: 186,292.99
Step by Step Solution
- Step 1: Write the proportion equation
243,893.81 : 336,564.88 = 134,998.36 : x - Step 2: Convert to fraction form
243,893.81/336,564.88 = 134,998.36/x - Step 3: Cross multiply
243,893.81x = 336,564.88 × 134,998.36 - Step 4: Simplify right side
243,893.81x = 45,435,706,833.60 - Step 5: Solve for x
x = 45,435,706,833.60/243,893.81 - Step 6: Final answer
x = 186,292.99
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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.