Finding the Fourth Proportional to 130,043.13, 195,064.69 and 36,548.88
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Solution
The fourth proportional to 130,043.13, 195,064.69 and 36,548.88 is: 54,823.32
Step by Step Solution
- Step 1: Write the proportion equation
130,043.13 : 195,064.69 = 36,548.88 : x - Step 2: Convert to fraction form
130,043.13/195,064.69 = 36,548.88/x - Step 3: Cross multiply
130,043.13x = 195,064.69 × 36,548.88 - Step 4: Simplify right side
130,043.13x = 7,129,395,947.05 - Step 5: Solve for x
x = 7,129,395,947.05/130,043.13 - Step 6: Final answer
x = 54,823.32
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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.