Finding the Fourth Proportional to 106,352.82, 159,378.84 and 58,988.78
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Solution
The fourth proportional to 106,352.82, 159,378.84 and 58,988.78 is: 88,399.75
Step by Step Solution
- Step 1: Write the proportion equation
106,352.82 : 159,378.84 = 58,988.78 : x - Step 2: Convert to fraction form
106,352.82/159,378.84 = 58,988.78/x - Step 3: Cross multiply
106,352.82x = 159,378.84 × 58,988.78 - Step 4: Simplify right side
106,352.82x = 9,401,563,130.19 - Step 5: Solve for x
x = 9,401,563,130.19/106,352.82 - Step 6: Final answer
x = 88,399.75
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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.