Finding the Fourth Proportional to 328,417.08, 453,422.42 and 251,794.09
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Solution
The fourth proportional to 328,417.08, 453,422.42 and 251,794.09 is: 347,634.43
Step by Step Solution
- Step 1: Write the proportion equation
328,417.08 : 453,422.42 = 251,794.09 : x - Step 2: Convert to fraction form
328,417.08/453,422.42 = 251,794.09/x - Step 3: Cross multiply
328,417.08x = 453,422.42 × 251,794.09 - Step 4: Simplify right side
328,417.08x = 114,169,085,629.50 - Step 5: Solve for x
x = 114,169,085,629.50/328,417.08 - Step 6: Final answer
x = 347,634.43
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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.