Finding the Fourth Proportional to 325,830.12, 489,009.24 and 168,103.68
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Solution
The fourth proportional to 325,830.12, 489,009.24 and 168,103.68 is: 252,291.75
Step by Step Solution
- Step 1: Write the proportion equation
325,830.12 : 489,009.24 = 168,103.68 : x - Step 2: Convert to fraction form
325,830.12/489,009.24 = 168,103.68/x - Step 3: Cross multiply
325,830.12x = 489,009.24 × 168,103.68 - Step 4: Simplify right side
325,830.12x = 82,204,252,798.00 - Step 5: Solve for x
x = 82,204,252,798.00/325,830.12 - Step 6: Final answer
x = 252,291.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.