Finding the Fourth Proportional to 132,790.84, 183,246.70 and 72,360.26
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Solution
The fourth proportional to 132,790.84, 183,246.70 and 72,360.26 is: 99,854.62
Step by Step Solution
- Step 1: Write the proportion equation
132,790.84 : 183,246.70 = 72,360.26 : x - Step 2: Convert to fraction form
132,790.84/183,246.70 = 72,360.26/x - Step 3: Cross multiply
132,790.84x = 183,246.70 × 72,360.26 - Step 4: Simplify right side
132,790.84x = 13,259,778,856.14 - Step 5: Solve for x
x = 13,259,778,856.14/132,790.84 - Step 6: Final answer
x = 99,854.62
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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.