Finding the Fourth Proportional to 238,075.24, 357,113.96 and 80,305.08
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Solution
The fourth proportional to 238,075.24, 357,113.96 and 80,305.08 is: 120,457.99
Step by Step Solution
- Step 1: Write the proportion equation
238,075.24 : 357,113.96 = 80,305.08 : x - Step 2: Convert to fraction form
238,075.24/357,113.96 = 80,305.08/x - Step 3: Cross multiply
238,075.24x = 357,113.96 × 80,305.08 - Step 4: Simplify right side
238,075.24x = 28,678,065,126.92 - Step 5: Solve for x
x = 28,678,065,126.92/238,075.24 - Step 6: Final answer
x = 120,457.99
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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.