Finding the Fourth Proportional to 660,803.28, 991,245.96 and 187,525.68
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Solution
The fourth proportional to 660,803.28, 991,245.96 and 187,525.68 is: 281,300.17
Step by Step Solution
- Step 1: Write the proportion equation
660,803.28 : 991,245.96 = 187,525.68 : x - Step 2: Convert to fraction form
660,803.28/991,245.96 = 187,525.68/x - Step 3: Cross multiply
660,803.28x = 991,245.96 × 187,525.68 - Step 4: Simplify right side
660,803.28x = 185,884,072,696.25 - Step 5: Solve for x
x = 185,884,072,696.25/660,803.28 - Step 6: Final answer
x = 281,300.17
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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.