Finding the Fourth Proportional to 368,622.85, 508,437.49 and 246,053.43
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Solution
The fourth proportional to 368,622.85, 508,437.49 and 246,053.43 is: 339,378.82
Step by Step Solution
- Step 1: Write the proportion equation
368,622.85 : 508,437.49 = 246,053.43 : x - Step 2: Convert to fraction form
368,622.85/508,437.49 = 246,053.43/x - Step 3: Cross multiply
368,622.85x = 508,437.49 × 246,053.43 - Step 4: Simplify right side
368,622.85x = 125,102,788,355.09 - Step 5: Solve for x
x = 125,102,788,355.09/368,622.85 - Step 6: Final answer
x = 339,378.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.