Finding the Fourth Proportional to 402,278.13, 603,407.70 and 202,544.82
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Solution
The fourth proportional to 402,278.13, 603,407.70 and 202,544.82 is: 303,812.45
Step by Step Solution
- Step 1: Write the proportion equation
402,278.13 : 603,407.70 = 202,544.82 : x - Step 2: Convert to fraction form
402,278.13/603,407.70 = 202,544.82/x - Step 3: Cross multiply
402,278.13x = 603,407.70 × 202,544.82 - Step 4: Simplify right side
402,278.13x = 122,217,103,983.11 - Step 5: Solve for x
x = 122,217,103,983.11/402,278.13 - Step 6: Final answer
x = 303,812.45
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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.