Finding the Fourth Proportional to 156,801.70, 235,202.55 and 73,857.70
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Solution
The fourth proportional to 156,801.70, 235,202.55 and 73,857.70 is: 110,786.55
Step by Step Solution
- Step 1: Write the proportion equation
156,801.70 : 235,202.55 = 73,857.70 : x - Step 2: Convert to fraction form
156,801.70/235,202.55 = 73,857.70/x - Step 3: Cross multiply
156,801.70x = 235,202.55 × 73,857.70 - Step 4: Simplify right side
156,801.70x = 17,371,519,377.14 - Step 5: Solve for x
x = 17,371,519,377.14/156,801.70 - Step 6: Final answer
x = 110,786.55
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1.5x scale
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.