Finding the Fourth Proportional to 117,295.28, 175,915.92 and 69,923.75
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Solution
The fourth proportional to 117,295.28, 175,915.92 and 69,923.75 is: 104,869.53
Step by Step Solution
- Step 1: Write the proportion equation
117,295.28 : 175,915.92 = 69,923.75 : x - Step 2: Convert to fraction form
117,295.28/175,915.92 = 69,923.75/x - Step 3: Cross multiply
117,295.28x = 175,915.92 × 69,923.75 - Step 4: Simplify right side
117,295.28x = 12,300,699,931.52 - Step 5: Solve for x
x = 12,300,699,931.52/117,295.28 - Step 6: Final answer
x = 104,869.53
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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.