Finding the Fourth Proportional to 328,833.78, 493,267.68 and 104,218.08
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Solution
The fourth proportional to 328,833.78, 493,267.68 and 104,218.08 is: 156,332.51
Step by Step Solution
- Step 1: Write the proportion equation
328,833.78 : 493,267.68 = 104,218.08 : x - Step 2: Convert to fraction form
328,833.78/493,267.68 = 104,218.08/x - Step 3: Cross multiply
328,833.78x = 493,267.68 × 104,218.08 - Step 4: Simplify right side
328,833.78x = 51,407,410,535.65 - Step 5: Solve for x
x = 51,407,410,535.65/328,833.78 - Step 6: Final answer
x = 156,332.51
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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.