Finding the Fourth Proportional to 415,454.76, 623,085.66 and 162,740.52
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Solution
The fourth proportional to 415,454.76, 623,085.66 and 162,740.52 is: 244,072.99
Step by Step Solution
- Step 1: Write the proportion equation
415,454.76 : 623,085.66 = 162,740.52 : x - Step 2: Convert to fraction form
415,454.76/623,085.66 = 162,740.52/x - Step 3: Cross multiply
415,454.76x = 623,085.66 × 162,740.52 - Step 4: Simplify right side
415,454.76x = 101,401,284,312.94 - Step 5: Solve for x
x = 101,401,284,312.94/415,454.76 - Step 6: Final answer
x = 244,072.99
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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.