Finding the Fourth Proportional to 352,575.91, 486,955.36 and 237,656.35
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Solution
The fourth proportional to 352,575.91, 486,955.36 and 237,656.35 is: 328,235.79
Step by Step Solution
- Step 1: Write the proportion equation
352,575.91 : 486,955.36 = 237,656.35 : x - Step 2: Convert to fraction form
352,575.91/486,955.36 = 237,656.35/x - Step 3: Cross multiply
352,575.91x = 486,955.36 × 237,656.35 - Step 4: Simplify right side
352,575.91x = 115,728,033,470.54 - Step 5: Solve for x
x = 115,728,033,470.54/352,575.91 - Step 6: Final answer
x = 328,235.79
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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.