Finding the Fourth Proportional to 657,075.16, 985,619.94 and 207,785.08
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Solution
The fourth proportional to 657,075.16, 985,619.94 and 207,785.08 is: 311,679.90
Step by Step Solution
- Step 1: Write the proportion equation
657,075.16 : 985,619.94 = 207,785.08 : x - Step 2: Convert to fraction form
657,075.16/985,619.94 = 207,785.08/x - Step 3: Cross multiply
657,075.16x = 985,619.94 × 207,785.08 - Step 4: Simplify right side
657,075.16x = 204,797,118,082.50 - Step 5: Solve for x
x = 204,797,118,082.50/657,075.16 - Step 6: Final answer
x = 311,679.90
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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.