Finding the Fourth Proportional to 101,495.97, 152,258.58 and 31,380.75
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Solution
The fourth proportional to 101,495.97, 152,258.58 and 31,380.75 is: 47,075.65
Step by Step Solution
- Step 1: Write the proportion equation
101,495.97 : 152,258.58 = 31,380.75 : x - Step 2: Convert to fraction form
101,495.97/152,258.58 = 31,380.75/x - Step 3: Cross multiply
101,495.97x = 152,258.58 × 31,380.75 - Step 4: Simplify right side
101,495.97x = 4,777,988,434.34 - Step 5: Solve for x
x = 4,777,988,434.34/101,495.97 - Step 6: Final answer
x = 47,075.65
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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.