Finding the Fourth Proportional to 276,134.66, 414,202.49 and 76,455.62
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Solution
The fourth proportional to 276,134.66, 414,202.49 and 76,455.62 is: 114,683.57
Step by Step Solution
- Step 1: Write the proportion equation
276,134.66 : 414,202.49 = 76,455.62 : x - Step 2: Convert to fraction form
276,134.66/414,202.49 = 76,455.62/x - Step 3: Cross multiply
276,134.66x = 414,202.49 × 76,455.62 - Step 4: Simplify right side
276,134.66x = 31,668,108,178.49 - Step 5: Solve for x
x = 31,668,108,178.49/276,134.66 - Step 6: Final answer
x = 114,683.57
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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.