Finding the Fourth Proportional to 331,655.70, 457,685.30 and 180,752.70
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Solution
The fourth proportional to 331,655.70, 457,685.30 and 180,752.70 is: 249,438.96
Step by Step Solution
- Step 1: Write the proportion equation
331,655.70 : 457,685.30 = 180,752.70 : x - Step 2: Convert to fraction form
331,655.70/457,685.30 = 180,752.70/x - Step 3: Cross multiply
331,655.70x = 457,685.30 × 180,752.70 - Step 4: Simplify right side
331,655.70x = 82,727,853,725.31 - Step 5: Solve for x
x = 82,727,853,725.31/331,655.70 - Step 6: Final answer
x = 249,438.96
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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.