Finding the Fourth Proportional to 306,785.42, 460,209.56 and 117,405.07
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Solution
The fourth proportional to 306,785.42, 460,209.56 and 117,405.07 is: 176,119.63
Step by Step Solution
- Step 1: Write the proportion equation
306,785.42 : 460,209.56 = 117,405.07 : x - Step 2: Convert to fraction form
306,785.42/460,209.56 = 117,405.07/x - Step 3: Cross multiply
306,785.42x = 460,209.56 × 117,405.07 - Step 4: Simplify right side
306,785.42x = 54,030,935,606.47 - Step 5: Solve for x
x = 54,030,935,606.47/306,785.42 - Step 6: Final answer
x = 176,119.63
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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.