Finding the Fourth Proportional to 117,686.44, 176,430.15 and 51,076.49
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Solution
The fourth proportional to 117,686.44, 176,430.15 and 51,076.49 is: 76,571.55
Step by Step Solution
- Step 1: Write the proportion equation
117,686.44 : 176,430.15 = 51,076.49 : x - Step 2: Convert to fraction form
117,686.44/176,430.15 = 51,076.49/x - Step 3: Cross multiply
117,686.44x = 176,430.15 × 51,076.49 - Step 4: Simplify right side
117,686.44x = 9,011,432,792.17 - Step 5: Solve for x
x = 9,011,432,792.17/117,686.44 - Step 6: Final answer
x = 76,571.55
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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.