Finding the Fourth Proportional to 317,665.49, 476,358.35 and 149,233.68
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Solution
The fourth proportional to 317,665.49, 476,358.35 and 149,233.68 is: 223,784.81
Step by Step Solution
- Step 1: Write the proportion equation
317,665.49 : 476,358.35 = 149,233.68 : x - Step 2: Convert to fraction form
317,665.49/476,358.35 = 149,233.68/x - Step 3: Cross multiply
317,665.49x = 476,358.35 × 149,233.68 - Step 4: Simplify right side
317,665.49x = 71,088,708,823.06 - Step 5: Solve for x
x = 71,088,708,823.06/317,665.49 - Step 6: Final answer
x = 223,784.81
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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.