Finding the Fourth Proportional to 187,307.26, 280,961.14 and 76,499.26
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Solution
The fourth proportional to 187,307.26, 280,961.14 and 76,499.26 is: 114,748.99
Step by Step Solution
- Step 1: Write the proportion equation
187,307.26 : 280,961.14 = 76,499.26 : x - Step 2: Convert to fraction form
187,307.26/280,961.14 = 76,499.26/x - Step 3: Cross multiply
187,307.26x = 280,961.14 × 76,499.26 - Step 4: Simplify right side
187,307.26x = 21,493,319,298.76 - Step 5: Solve for x
x = 21,493,319,298.76/187,307.26 - Step 6: Final answer
x = 114,748.99
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1.5x scale
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.