Finding the Fourth Proportional to 377,205.84, 520,533.68 and 207,439.96
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Solution
The fourth proportional to 377,205.84, 520,533.68 and 207,439.96 is: 286,261.44
Step by Step Solution
- Step 1: Write the proportion equation
377,205.84 : 520,533.68 = 207,439.96 : x - Step 2: Convert to fraction form
377,205.84/520,533.68 = 207,439.96/x - Step 3: Cross multiply
377,205.84x = 520,533.68 × 207,439.96 - Step 4: Simplify right side
377,205.84x = 107,979,485,757.85 - Step 5: Solve for x
x = 107,979,485,757.85/377,205.84 - Step 6: Final answer
x = 286,261.44
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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.