Finding the Fourth Proportional to 317,152.92, 476,135.35 and 272,460.21
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Solution
The fourth proportional to 317,152.92, 476,135.35 and 272,460.21 is: 409,039.08
Step by Step Solution
- Step 1: Write the proportion equation
317,152.92 : 476,135.35 = 272,460.21 : x - Step 2: Convert to fraction form
317,152.92/476,135.35 = 272,460.21/x - Step 3: Cross multiply
317,152.92x = 476,135.35 × 272,460.21 - Step 4: Simplify right side
317,152.92x = 129,727,937,449.42 - Step 5: Solve for x
x = 129,727,937,449.42/317,152.92 - Step 6: Final answer
x = 409,039.08
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1.5x scale
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.