Finding the Fourth Proportional to 177,177.67, 265,503.96 and 145,810.63
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Solution
The fourth proportional to 177,177.67, 265,503.96 and 145,810.63 is: 218,499.88
Step by Step Solution
- Step 1: Write the proportion equation
177,177.67 : 265,503.96 = 145,810.63 : x - Step 2: Convert to fraction form
177,177.67/265,503.96 = 145,810.63/x - Step 3: Cross multiply
177,177.67x = 265,503.96 × 145,810.63 - Step 4: Simplify right side
177,177.67x = 38,713,299,675.09 - Step 5: Solve for x
x = 38,713,299,675.09/177,177.67 - Step 6: Final answer
x = 218,499.88
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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.