Finding the Fourth Proportional to 106,352.60, 159,544.76 and 38,888.06
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Solution
The fourth proportional to 106,352.60, 159,544.76 and 38,888.06 is: 58,337.88
Step by Step Solution
- Step 1: Write the proportion equation
106,352.60 : 159,544.76 = 38,888.06 : x - Step 2: Convert to fraction form
106,352.60/159,544.76 = 38,888.06/x - Step 3: Cross multiply
106,352.60x = 159,544.76 × 38,888.06 - Step 4: Simplify right side
106,352.60x = 6,204,385,207.40 - Step 5: Solve for x
x = 6,204,385,207.40/106,352.60 - Step 6: Final answer
x = 58,337.88
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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.