Finding the Fourth Proportional to 352,817.32, 486,964.56 and 216,968.08
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Solution
The fourth proportional to 352,817.32, 486,964.56 and 216,968.08 is: 299,463.09
Step by Step Solution
- Step 1: Write the proportion equation
352,817.32 : 486,964.56 = 216,968.08 : x - Step 2: Convert to fraction form
352,817.32/486,964.56 = 216,968.08/x - Step 3: Cross multiply
352,817.32x = 486,964.56 × 216,968.08 - Step 4: Simplify right side
352,817.32x = 105,655,765,611.25 - Step 5: Solve for x
x = 105,655,765,611.25/352,817.32 - Step 6: Final answer
x = 299,463.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.