Finding the Fourth Proportional to 471,339.19, 707,119.47 and 155,796.06
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Solution
The fourth proportional to 471,339.19, 707,119.47 and 155,796.06 is: 233,730.68
Step by Step Solution
- Step 1: Write the proportion equation
471,339.19 : 707,119.47 = 155,796.06 : x - Step 2: Convert to fraction form
471,339.19/707,119.47 = 155,796.06/x - Step 3: Cross multiply
471,339.19x = 707,119.47 × 155,796.06 - Step 4: Simplify right side
471,339.19x = 110,166,427,375.29 - Step 5: Solve for x
x = 110,166,427,375.29/471,339.19 - Step 6: Final answer
x = 233,730.68
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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.