Finding the Fourth Proportional to 328,658.12, 493,160.76 and 233,212.09
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Solution
The fourth proportional to 328,658.12, 493,160.76 and 233,212.09 is: 349,941.31
Step by Step Solution
- Step 1: Write the proportion equation
328,658.12 : 493,160.76 = 233,212.09 : x - Step 2: Convert to fraction form
328,658.12/493,160.76 = 233,212.09/x - Step 3: Cross multiply
328,658.12x = 493,160.76 × 233,212.09 - Step 4: Simplify right side
328,658.12x = 115,011,051,545.59 - Step 5: Solve for x
x = 115,011,051,545.59/328,658.12 - Step 6: Final answer
x = 349,941.31
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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.