Finding the Fourth Proportional to 134,763.30, 202,193.55 and 55,901.70
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Solution
The fourth proportional to 134,763.30, 202,193.55 and 55,901.70 is: 83,872.71
Step by Step Solution
- Step 1: Write the proportion equation
134,763.30 : 202,193.55 = 55,901.70 : x - Step 2: Convert to fraction form
134,763.30/202,193.55 = 55,901.70/x - Step 3: Cross multiply
134,763.30x = 202,193.55 × 55,901.70 - Step 4: Simplify right side
134,763.30x = 11,302,963,174.04 - Step 5: Solve for x
x = 11,302,963,174.04/134,763.30 - Step 6: Final answer
x = 83,872.71
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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.