Finding the Fourth Proportional to 260,798.10, 391,051.35 and 120,382.98
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Solution
The fourth proportional to 260,798.10, 391,051.35 and 120,382.98 is: 180,507.17
Step by Step Solution
- Step 1: Write the proportion equation
260,798.10 : 391,051.35 = 120,382.98 : x - Step 2: Convert to fraction form
260,798.10/391,051.35 = 120,382.98/x - Step 3: Cross multiply
260,798.10x = 391,051.35 × 120,382.98 - Step 4: Simplify right side
260,798.10x = 47,075,926,846.02 - Step 5: Solve for x
x = 47,075,926,846.02/260,798.10 - Step 6: Final answer
x = 180,507.17
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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.