Finding the Fourth Proportional to 240,909.75, 361,364.76 and 74,697.75
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Solution
The fourth proportional to 240,909.75, 361,364.76 and 74,697.75 is: 112,046.67
Step by Step Solution
- Step 1: Write the proportion equation
240,909.75 : 361,364.76 = 74,697.75 : x - Step 2: Convert to fraction form
240,909.75/361,364.76 = 74,697.75/x - Step 3: Cross multiply
240,909.75x = 361,364.76 × 74,697.75 - Step 4: Simplify right side
240,909.75x = 26,993,134,501.29 - Step 5: Solve for x
x = 26,993,134,501.29/240,909.75 - Step 6: Final answer
x = 112,046.67
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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.