Finding the Fourth Proportional to 331,724.62, 457,779.99 and 180,821.62
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Solution
The fourth proportional to 331,724.62, 457,779.99 and 180,821.62 is: 249,533.84
Step by Step Solution
- Step 1: Write the proportion equation
331,724.62 : 457,779.99 = 180,821.62 : x - Step 2: Convert to fraction form
331,724.62/457,779.99 = 180,821.62/x - Step 3: Cross multiply
331,724.62x = 457,779.99 × 180,821.62 - Step 4: Simplify right side
331,724.62x = 82,776,519,395.38 - Step 5: Solve for x
x = 82,776,519,395.38/331,724.62 - Step 6: Final answer
x = 249,533.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.