Finding the Fourth Proportional to 328,323.94, 453,157.49 and 207,388.31
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Solution
The fourth proportional to 328,323.94, 453,157.49 and 207,388.31 is: 286,240.37
Step by Step Solution
- Step 1: Write the proportion equation
328,323.94 : 453,157.49 = 207,388.31 : x - Step 2: Convert to fraction form
328,323.94/453,157.49 = 207,388.31/x - Step 3: Cross multiply
328,323.94x = 453,157.49 × 207,388.31 - Step 4: Simplify right side
328,323.94x = 93,979,566,014.94 - Step 5: Solve for x
x = 93,979,566,014.94/328,323.94 - Step 6: Final answer
x = 286,240.37
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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.