Finding the Fourth Proportional to 504,459.63, 696,159.05 and 278,113.23
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Solution
The fourth proportional to 504,459.63, 696,159.05 and 278,113.23 is: 383,798.88
Step by Step Solution
- Step 1: Write the proportion equation
504,459.63 : 696,159.05 = 278,113.23 : x - Step 2: Convert to fraction form
504,459.63/696,159.05 = 278,113.23/x - Step 3: Cross multiply
504,459.63x = 696,159.05 × 278,113.23 - Step 4: Simplify right side
504,459.63x = 193,611,040,598.67 - Step 5: Solve for x
x = 193,611,040,598.67/504,459.63 - Step 6: Final answer
x = 383,798.88
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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.