Finding the Fourth Proportional to 442,756.61, 664,068.69 and 122,874.75
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Solution
The fourth proportional to 442,756.61, 664,068.69 and 122,874.75 is: 184,293.75
Step by Step Solution
- Step 1: Write the proportion equation
442,756.61 : 664,068.69 = 122,874.75 : x - Step 2: Convert to fraction form
442,756.61/664,068.69 = 122,874.75/x - Step 3: Cross multiply
442,756.61x = 664,068.69 × 122,874.75 - Step 4: Simplify right side
442,756.61x = 81,597,274,266.58 - Step 5: Solve for x
x = 81,597,274,266.58/442,756.61 - Step 6: Final answer
x = 184,293.75
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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.