Finding the Fourth Proportional to 130,681.26, 196,011.36 and 41,911.02
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Solution
The fourth proportional to 130,681.26, 196,011.36 and 41,911.02 is: 62,863.15
Step by Step Solution
- Step 1: Write the proportion equation
130,681.26 : 196,011.36 = 41,911.02 : x - Step 2: Convert to fraction form
130,681.26/196,011.36 = 41,911.02/x - Step 3: Cross multiply
130,681.26x = 196,011.36 × 41,911.02 - Step 4: Simplify right side
130,681.26x = 8,215,036,029.19 - Step 5: Solve for x
x = 8,215,036,029.19/130,681.26 - Step 6: Final answer
x = 62,863.15
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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.