Finding the Fourth Proportional to 527,576.10, 791,365.23 and 128,217.48
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Solution
The fourth proportional to 527,576.10, 791,365.23 and 128,217.48 is: 192,326.48
Step by Step Solution
- Step 1: Write the proportion equation
527,576.10 : 791,365.23 = 128,217.48 : x - Step 2: Convert to fraction form
527,576.10/791,365.23 = 128,217.48/x - Step 3: Cross multiply
527,576.10x = 791,365.23 × 128,217.48 - Step 4: Simplify right side
527,576.10x = 101,466,855,550.22 - Step 5: Solve for x
x = 101,466,855,550.22/527,576.10 - Step 6: Final answer
x = 192,326.48
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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.