Finding the Fourth Proportional to 276,279.76, 414,807.36 and 141,440.14
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Solution
The fourth proportional to 276,279.76, 414,807.36 and 141,440.14 is: 212,358.70
Step by Step Solution
- Step 1: Write the proportion equation
276,279.76 : 414,807.36 = 141,440.14 : x - Step 2: Convert to fraction form
276,279.76/414,807.36 = 141,440.14/x - Step 3: Cross multiply
276,279.76x = 414,807.36 × 141,440.14 - Step 4: Simplify right side
276,279.76x = 58,670,411,071.43 - Step 5: Solve for x
x = 58,670,411,071.43/276,279.76 - Step 6: Final answer
x = 212,358.70
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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.