Finding the Fourth Proportional to 522,595.80, 783,891.99 and 143,516.88
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Solution
The fourth proportional to 522,595.80, 783,891.99 and 143,516.88 is: 215,274.85
Step by Step Solution
- Step 1: Write the proportion equation
522,595.80 : 783,891.99 = 143,516.88 : x - Step 2: Convert to fraction form
522,595.80/783,891.99 = 143,516.88/x - Step 3: Cross multiply
522,595.80x = 783,891.99 × 143,516.88 - Step 4: Simplify right side
522,595.80x = 112,501,732,661.79 - Step 5: Solve for x
x = 112,501,732,661.79/522,595.80 - Step 6: Final answer
x = 215,274.85
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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.