Finding the Fourth Proportional to 211,522.41, 291,853.70 and 125,437.65
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Solution
The fourth proportional to 211,522.41, 291,853.70 and 125,437.65 is: 173,075.95
Step by Step Solution
- Step 1: Write the proportion equation
211,522.41 : 291,853.70 = 125,437.65 : x - Step 2: Convert to fraction form
211,522.41/291,853.70 = 125,437.65/x - Step 3: Cross multiply
211,522.41x = 291,853.70 × 125,437.65 - Step 4: Simplify right side
211,522.41x = 36,609,442,271.81 - Step 5: Solve for x
x = 36,609,442,271.81/211,522.41 - Step 6: Final answer
x = 173,075.95
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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.