Finding the Fourth Proportional to 328,775.16, 453,683.88 and 201,433.44
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Solution
The fourth proportional to 328,775.16, 453,683.88 and 201,433.44 is: 277,962.32
Step by Step Solution
- Step 1: Write the proportion equation
328,775.16 : 453,683.88 = 201,433.44 : x - Step 2: Convert to fraction form
328,775.16/453,683.88 = 201,433.44/x - Step 3: Cross multiply
328,775.16x = 453,683.88 × 201,433.44 - Step 4: Simplify right side
328,775.16x = 91,387,104,620.95 - Step 5: Solve for x
x = 91,387,104,620.95/328,775.16 - Step 6: Final answer
x = 277,962.32
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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.