Finding the Fourth Proportional to 117,683.28, 176,523.36 and 28,937.58
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Solution
The fourth proportional to 117,683.28, 176,523.36 and 28,937.58 is: 43,405.99
Step by Step Solution
- Step 1: Write the proportion equation
117,683.28 : 176,523.36 = 28,937.58 : x - Step 2: Convert to fraction form
117,683.28/176,523.36 = 28,937.58/x - Step 3: Cross multiply
117,683.28x = 176,523.36 × 28,937.58 - Step 4: Simplify right side
117,683.28x = 5,108,158,851.87 - Step 5: Solve for x
x = 5,108,158,851.87/117,683.28 - Step 6: Final answer
x = 43,405.99
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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.