Finding the Fourth Proportional to 279,141.14, 418,378.16 and 101,440.10
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Solution
The fourth proportional to 279,141.14, 418,378.16 and 101,440.10 is: 152,038.94
Step by Step Solution
- Step 1: Write the proportion equation
279,141.14 : 418,378.16 = 101,440.10 : x - Step 2: Convert to fraction form
279,141.14/418,378.16 = 101,440.10/x - Step 3: Cross multiply
279,141.14x = 418,378.16 × 101,440.10 - Step 4: Simplify right side
279,141.14x = 42,440,322,388.22 - Step 5: Solve for x
x = 42,440,322,388.22/279,141.14 - Step 6: Final answer
x = 152,038.94
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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.