Finding the Fourth Proportional to 245,717.80, 368,576.70 and 121,301.80
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Solution
The fourth proportional to 245,717.80, 368,576.70 and 121,301.80 is: 181,952.70
Step by Step Solution
- Step 1: Write the proportion equation
245,717.80 : 368,576.70 = 121,301.80 : x - Step 2: Convert to fraction form
245,717.80/368,576.70 = 121,301.80/x - Step 3: Cross multiply
245,717.80x = 368,576.70 × 121,301.80 - Step 4: Simplify right side
245,717.80x = 44,709,017,148.06 - Step 5: Solve for x
x = 44,709,017,148.06/245,717.80 - Step 6: Final answer
x = 181,952.70
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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.