Finding the Fourth Proportional to 512,782.10, 769,246.04 and 157,825.70
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Solution
The fourth proportional to 512,782.10, 769,246.04 and 157,825.70 is: 236,760.98
Step by Step Solution
- Step 1: Write the proportion equation
512,782.10 : 769,246.04 = 157,825.70 : x - Step 2: Convert to fraction form
512,782.10/769,246.04 = 157,825.70/x - Step 3: Cross multiply
512,782.10x = 769,246.04 × 157,825.70 - Step 4: Simplify right side
512,782.10x = 121,406,791,283.56 - Step 5: Solve for x
x = 121,406,791,283.56/512,782.10 - Step 6: Final answer
x = 236,760.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.