Finding the Fourth Proportional to 165,246.10, 228,039.02 and 93,639.80
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Solution
The fourth proportional to 165,246.10, 228,039.02 and 93,639.80 is: 129,222.59
Step by Step Solution
- Step 1: Write the proportion equation
165,246.10 : 228,039.02 = 93,639.80 : x - Step 2: Convert to fraction form
165,246.10/228,039.02 = 93,639.80/x - Step 3: Cross multiply
165,246.10x = 228,039.02 × 93,639.80 - Step 4: Simplify right side
165,246.10x = 21,353,528,225.00 - Step 5: Solve for x
x = 21,353,528,225.00/165,246.10 - Step 6: Final answer
x = 129,222.59
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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.