Finding the Fourth Proportional to 309,202.44, 463,137.12 and 208,810.59
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Solution
The fourth proportional to 309,202.44, 463,137.12 and 208,810.59 is: 312,765.76
Step by Step Solution
- Step 1: Write the proportion equation
309,202.44 : 463,137.12 = 208,810.59 : x - Step 2: Convert to fraction form
309,202.44/463,137.12 = 208,810.59/x - Step 3: Cross multiply
309,202.44x = 463,137.12 × 208,810.59 - Step 4: Simplify right side
309,202.44x = 96,707,935,278.10 - Step 5: Solve for x
x = 96,707,935,278.10/309,202.44 - Step 6: Final answer
x = 312,765.76
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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.