Finding the Fourth Proportional to 265,562.10, 398,569.95 and 107,903.70
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Solution
The fourth proportional to 265,562.10, 398,569.95 and 107,903.70 is: 161,947.70
Step by Step Solution
- Step 1: Write the proportion equation
265,562.10 : 398,569.95 = 107,903.70 : x - Step 2: Convert to fraction form
265,562.10/398,569.95 = 107,903.70/x - Step 3: Cross multiply
265,562.10x = 398,569.95 × 107,903.70 - Step 4: Simplify right side
265,562.10x = 43,007,172,313.82 - Step 5: Solve for x
x = 43,007,172,313.82/265,562.10 - Step 6: Final answer
x = 161,947.70
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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.