Finding the Fourth Proportional to 185,125.20, 276,985.80 and 122,917.20
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Solution
The fourth proportional to 185,125.20, 276,985.80 and 122,917.20 is: 183,909.69
Step by Step Solution
- Step 1: Write the proportion equation
185,125.20 : 276,985.80 = 122,917.20 : x - Step 2: Convert to fraction form
185,125.20/276,985.80 = 122,917.20/x - Step 3: Cross multiply
185,125.20x = 276,985.80 × 122,917.20 - Step 4: Simplify right side
185,125.20x = 34,046,318,975.76 - Step 5: Solve for x
x = 34,046,318,975.76/185,125.20 - Step 6: Final answer
x = 183,909.69
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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.