Finding the Fourth Proportional to 301,585.59, 416,195.09 and 172,536.18
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Solution
The fourth proportional to 301,585.59, 416,195.09 and 172,536.18 is: 238,103.92
Step by Step Solution
- Step 1: Write the proportion equation
301,585.59 : 416,195.09 = 172,536.18 : x - Step 2: Convert to fraction form
301,585.59/416,195.09 = 172,536.18/x - Step 3: Cross multiply
301,585.59x = 416,195.09 × 172,536.18 - Step 4: Simplify right side
301,585.59x = 71,808,710,100.68 - Step 5: Solve for x
x = 71,808,710,100.68/301,585.59 - Step 6: Final answer
x = 238,103.92
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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.