Finding the Fourth Proportional to 215,283.50, 322,977.12 and 67,539.50
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Solution
The fourth proportional to 215,283.50, 322,977.12 and 67,539.50 is: 101,325.52
Step by Step Solution
- Step 1: Write the proportion equation
215,283.50 : 322,977.12 = 67,539.50 : x - Step 2: Convert to fraction form
215,283.50/322,977.12 = 67,539.50/x - Step 3: Cross multiply
215,283.50x = 322,977.12 × 67,539.50 - Step 4: Simplify right side
215,283.50x = 21,813,713,196.24 - Step 5: Solve for x
x = 21,813,713,196.24/215,283.50 - Step 6: Final answer
x = 101,325.52
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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.