Finding the Fourth Proportional to 331,479.54, 457,440.93 and 180,576.18
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Solution
The fourth proportional to 331,479.54, 457,440.93 and 180,576.18 is: 249,194.67
Step by Step Solution
- Step 1: Write the proportion equation
331,479.54 : 457,440.93 = 180,576.18 : x - Step 2: Convert to fraction form
331,479.54/457,440.93 = 180,576.18/x - Step 3: Cross multiply
331,479.54x = 457,440.93 × 180,576.18 - Step 4: Simplify right side
331,479.54x = 82,602,935,715.05 - Step 5: Solve for x
x = 82,602,935,715.05/331,479.54 - Step 6: Final answer
x = 249,194.67
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1.5x scale
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.