Finding the Fourth Proportional to 328,859.52, 493,303.01 and 104,214.99
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Solution
The fourth proportional to 328,859.52, 493,303.01 and 104,214.99 is: 156,326.83
Step by Step Solution
- Step 1: Write the proportion equation
328,859.52 : 493,303.01 = 104,214.99 : x - Step 2: Convert to fraction form
328,859.52/493,303.01 = 104,214.99/x - Step 3: Cross multiply
328,859.52x = 493,303.01 × 104,214.99 - Step 4: Simplify right side
328,859.52x = 51,409,567,733.05 - Step 5: Solve for x
x = 51,409,567,733.05/328,859.52 - Step 6: Final answer
x = 156,326.83
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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.