Finding the Fourth Proportional to 318,396.27, 439,370.97 and 175,152.63
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Solution
The fourth proportional to 318,396.27, 439,370.97 and 175,152.63 is: 241,701.89
Step by Step Solution
- Step 1: Write the proportion equation
318,396.27 : 439,370.97 = 175,152.63 : x - Step 2: Convert to fraction form
318,396.27/439,370.97 = 175,152.63/x - Step 3: Cross multiply
318,396.27x = 439,370.97 × 175,152.63 - Step 4: Simplify right side
318,396.27x = 76,956,980,941.15 - Step 5: Solve for x
x = 76,956,980,941.15/318,396.27 - Step 6: Final answer
x = 241,701.89
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1.5x scale
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.