Finding the Fourth Proportional to 350,576.79, 484,613.24 and 312,711.62
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Solution
The fourth proportional to 350,576.79, 484,613.24 and 312,711.62 is: 432,271.02
Step by Step Solution
- Step 1: Write the proportion equation
350,576.79 : 484,613.24 = 312,711.62 : x - Step 2: Convert to fraction form
350,576.79/484,613.24 = 312,711.62/x - Step 3: Cross multiply
350,576.79x = 484,613.24 × 312,711.62 - Step 4: Simplify right side
350,576.79x = 151,544,187,367.23 - Step 5: Solve for x
x = 151,544,187,367.23/350,576.79 - Step 6: Final answer
x = 432,271.02
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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.