Finding the Fourth Proportional to 106,352.70, 159,378.65 and 58,988.65
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Solution
The fourth proportional to 106,352.70, 159,378.65 and 58,988.65 is: 88,399.56
Step by Step Solution
- Step 1: Write the proportion equation
106,352.70 : 159,378.65 = 58,988.65 : x - Step 2: Convert to fraction form
106,352.70/159,378.65 = 58,988.65/x - Step 3: Cross multiply
106,352.70x = 159,378.65 × 58,988.65 - Step 4: Simplify right side
106,352.70x = 9,401,531,402.32 - Step 5: Solve for x
x = 9,401,531,402.32/106,352.70 - Step 6: Final answer
x = 88,399.56
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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.