Finding the Fourth Proportional to 619,773.70, 929,538.14 and 170,378.62
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Solution
The fourth proportional to 619,773.70, 929,538.14 and 170,378.62 is: 255,534.28
Step by Step Solution
- Step 1: Write the proportion equation
619,773.70 : 929,538.14 = 170,378.62 : x - Step 2: Convert to fraction form
619,773.70/929,538.14 = 170,378.62/x - Step 3: Cross multiply
619,773.70x = 929,538.14 × 170,378.62 - Step 4: Simplify right side
619,773.70x = 158,373,425,530.57 - Step 5: Solve for x
x = 158,373,425,530.57/619,773.70 - Step 6: Final answer
x = 255,534.28
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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.