Finding the Fourth Proportional to 369,986.06, 554,983.28 and 130,107.09
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Solution
The fourth proportional to 369,986.06, 554,983.28 and 130,107.09 is: 195,162.11
Step by Step Solution
- Step 1: Write the proportion equation
369,986.06 : 554,983.28 = 130,107.09 : x - Step 2: Convert to fraction form
369,986.06/554,983.28 = 130,107.09/x - Step 3: Cross multiply
369,986.06x = 554,983.28 × 130,107.09 - Step 4: Simplify right side
369,986.06x = 72,207,258,908.92 - Step 5: Solve for x
x = 72,207,258,908.92/369,986.06 - Step 6: Final answer
x = 195,162.11
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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.