Finding the Fourth Proportional to 309,186.34, 463,175.50 and 213,106.48
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Solution
The fourth proportional to 309,186.34, 463,175.50 and 213,106.48 is: 319,243.41
Step by Step Solution
- Step 1: Write the proportion equation
309,186.34 : 463,175.50 = 213,106.48 : x - Step 2: Convert to fraction form
309,186.34/463,175.50 = 213,106.48/x - Step 3: Cross multiply
309,186.34x = 463,175.50 × 213,106.48 - Step 4: Simplify right side
309,186.34x = 98,705,700,427.24 - Step 5: Solve for x
x = 98,705,700,427.24/309,186.34 - Step 6: Final answer
x = 319,243.41
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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.