Finding the Fourth Proportional to 211,059.84, 316,681.28 and 116,174.08
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Solution
The fourth proportional to 211,059.84, 316,681.28 and 116,174.08 is: 174,311.50
Step by Step Solution
- Step 1: Write the proportion equation
211,059.84 : 316,681.28 = 116,174.08 : x - Step 2: Convert to fraction form
211,059.84/316,681.28 = 116,174.08/x - Step 3: Cross multiply
211,059.84x = 316,681.28 × 116,174.08 - Step 4: Simplify right side
211,059.84x = 36,790,156,357.22 - Step 5: Solve for x
x = 36,790,156,357.22/211,059.84 - Step 6: Final answer
x = 174,311.50
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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.