Finding the Fourth Proportional to 117,737.70, 176,606.55 and 51,209.70
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Solution
The fourth proportional to 117,737.70, 176,606.55 and 51,209.70 is: 76,814.55
Step by Step Solution
- Step 1: Write the proportion equation
117,737.70 : 176,606.55 = 51,209.70 : x - Step 2: Convert to fraction form
117,737.70/176,606.55 = 51,209.70/x - Step 3: Cross multiply
117,737.70x = 176,606.55 × 51,209.70 - Step 4: Simplify right side
117,737.70x = 9,043,968,443.54 - Step 5: Solve for x
x = 9,043,968,443.54/117,737.70 - Step 6: Final answer
x = 76,814.55
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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.