Finding the Fourth Proportional to 326,864.93, 489,854.51 and 169,204.10
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Solution
The fourth proportional to 326,864.93, 489,854.51 and 169,204.10 is: 253,576.88
Step by Step Solution
- Step 1: Write the proportion equation
326,864.93 : 489,854.51 = 169,204.10 : x - Step 2: Convert to fraction form
326,864.93/489,854.51 = 169,204.10/x - Step 3: Cross multiply
326,864.93x = 489,854.51 × 169,204.10 - Step 4: Simplify right side
326,864.93x = 82,885,388,200.20 - Step 5: Solve for x
x = 82,885,388,200.20/326,864.93 - Step 6: Final answer
x = 253,576.88
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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.