Finding the Fourth Proportional to 119,032.26, 178,423.80 and 40,119.21
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Solution
The fourth proportional to 119,032.26, 178,423.80 and 40,119.21 is: 60,136.82
Step by Step Solution
- Step 1: Write the proportion equation
119,032.26 : 178,423.80 = 40,119.21 : x - Step 2: Convert to fraction form
119,032.26/178,423.80 = 40,119.21/x - Step 3: Cross multiply
119,032.26x = 178,423.80 × 40,119.21 - Step 4: Simplify right side
119,032.26x = 7,158,221,901.20 - Step 5: Solve for x
x = 7,158,221,901.20/119,032.26 - Step 6: Final answer
x = 60,136.82
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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.