Finding the Fourth Proportional to 177,351.80, 266,027.70 and 142,359.80
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Solution
The fourth proportional to 177,351.80, 266,027.70 and 142,359.80 is: 213,539.70
Step by Step Solution
- Step 1: Write the proportion equation
177,351.80 : 266,027.70 = 142,359.80 : x - Step 2: Convert to fraction form
177,351.80/266,027.70 = 142,359.80/x - Step 3: Cross multiply
177,351.80x = 266,027.70 × 142,359.80 - Step 4: Simplify right side
177,351.80x = 37,871,650,166.46 - Step 5: Solve for x
x = 37,871,650,166.46/177,351.80 - Step 6: Final answer
x = 213,539.70
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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.