Finding the Fourth Proportional to 130,460.88, 195,719.21 and 40,501.62
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Solution
The fourth proportional to 130,460.88, 195,719.21 and 40,501.62 is: 60,761.09
Step by Step Solution
- Step 1: Write the proportion equation
130,460.88 : 195,719.21 = 40,501.62 : x - Step 2: Convert to fraction form
130,460.88/195,719.21 = 40,501.62/x - Step 3: Cross multiply
130,460.88x = 195,719.21 × 40,501.62 - Step 4: Simplify right side
130,460.88x = 7,926,945,133.40 - Step 5: Solve for x
x = 7,926,945,133.40/130,460.88 - Step 6: Final answer
x = 60,761.09
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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.