Finding the Fourth Proportional to 657,075.99, 985,236.72 and 257,248.65
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Solution
The fourth proportional to 657,075.99, 985,236.72 and 257,248.65 is: 385,725.27
Step by Step Solution
- Step 1: Write the proportion equation
657,075.99 : 985,236.72 = 257,248.65 : x - Step 2: Convert to fraction form
657,075.99/985,236.72 = 257,248.65/x - Step 3: Cross multiply
657,075.99x = 985,236.72 × 257,248.65 - Step 4: Simplify right side
657,075.99x = 253,450,816,150.43 - Step 5: Solve for x
x = 253,450,816,150.43/657,075.99 - Step 6: Final answer
x = 385,725.27
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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.