Finding the Fourth Proportional to 224,313.70, 309,474.74 and 143,785.63
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Solution
The fourth proportional to 224,313.70, 309,474.74 and 143,785.63 is: 198,374.06
Step by Step Solution
- Step 1: Write the proportion equation
224,313.70 : 309,474.74 = 143,785.63 : x - Step 2: Convert to fraction form
224,313.70/309,474.74 = 143,785.63/x - Step 3: Cross multiply
224,313.70x = 309,474.74 × 143,785.63 - Step 4: Simplify right side
224,313.70x = 44,498,020,459.99 - Step 5: Solve for x
x = 44,498,020,459.99/224,313.70 - Step 6: Final answer
x = 198,374.06
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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.