Finding the Fourth Proportional to 185,217.09, 277,660.63 and 66,862.09
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Solution
The fourth proportional to 185,217.09, 277,660.63 and 66,862.09 is: 100,233.57
Step by Step Solution
- Step 1: Write the proportion equation
185,217.09 : 277,660.63 = 66,862.09 : x - Step 2: Convert to fraction form
185,217.09/277,660.63 = 66,862.09/x - Step 3: Cross multiply
185,217.09x = 277,660.63 × 66,862.09 - Step 4: Simplify right side
185,217.09x = 18,564,970,032.52 - Step 5: Solve for x
x = 18,564,970,032.52/185,217.09 - Step 6: Final answer
x = 100,233.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.