Finding the Fourth Proportional to 325,695.84, 488,494.80 and 190,821.84
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Solution
The fourth proportional to 325,695.84, 488,494.80 and 190,821.84 is: 286,204.07
Step by Step Solution
- Step 1: Write the proportion equation
325,695.84 : 488,494.80 = 190,821.84 : x - Step 2: Convert to fraction form
325,695.84/488,494.80 = 190,821.84/x - Step 3: Cross multiply
325,695.84x = 488,494.80 × 190,821.84 - Step 4: Simplify right side
325,695.84x = 93,215,476,566.43 - Step 5: Solve for x
x = 93,215,476,566.43/325,695.84 - Step 6: Final answer
x = 286,204.07
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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.