Finding the Fourth Proportional to 216,639.08, 324,965.24 and 58,870.88
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Solution
The fourth proportional to 216,639.08, 324,965.24 and 58,870.88 is: 88,308.12
Step by Step Solution
- Step 1: Write the proportion equation
216,639.08 : 324,965.24 = 58,870.88 : x - Step 2: Convert to fraction form
216,639.08/324,965.24 = 58,870.88/x - Step 3: Cross multiply
216,639.08x = 324,965.24 × 58,870.88 - Step 4: Simplify right side
216,639.08x = 19,130,989,648.21 - Step 5: Solve for x
x = 19,130,989,648.21/216,639.08 - Step 6: Final answer
x = 88,308.12
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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.