Finding the Fourth Proportional to 130,689.28, 195,954.99 and 58,628.99
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Solution
The fourth proportional to 130,689.28, 195,954.99 and 58,628.99 is: 87,908.08
Step by Step Solution
- Step 1: Write the proportion equation
130,689.28 : 195,954.99 = 58,628.99 : x - Step 2: Convert to fraction form
130,689.28/195,954.99 = 58,628.99/x - Step 3: Cross multiply
130,689.28x = 195,954.99 × 58,628.99 - Step 4: Simplify right side
130,689.28x = 11,488,643,639.05 - Step 5: Solve for x
x = 11,488,643,639.05/130,689.28 - Step 6: Final answer
x = 87,908.08
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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.