Finding the Fourth Proportional to 165,558.36, 228,463.76 and 93,936.84
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Solution
The fourth proportional to 165,558.36, 228,463.76 and 93,936.84 is: 129,628.99
Step by Step Solution
- Step 1: Write the proportion equation
165,558.36 : 228,463.76 = 93,936.84 : x - Step 2: Convert to fraction form
165,558.36/228,463.76 = 93,936.84/x - Step 3: Cross multiply
165,558.36x = 228,463.76 × 93,936.84 - Step 4: Simplify right side
165,558.36x = 21,461,163,668.92 - Step 5: Solve for x
x = 21,461,163,668.92/165,558.36 - Step 6: Final answer
x = 129,628.99
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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.