Finding the Fourth Proportional to 352,954.08, 487,072.08 and 191,805.12
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Solution
The fourth proportional to 352,954.08, 487,072.08 and 191,805.12 is: 264,688.59
Step by Step Solution
- Step 1: Write the proportion equation
352,954.08 : 487,072.08 = 191,805.12 : x - Step 2: Convert to fraction form
352,954.08/487,072.08 = 191,805.12/x - Step 3: Cross multiply
352,954.08x = 487,072.08 × 191,805.12 - Step 4: Simplify right side
352,954.08x = 93,422,918,753.05 - Step 5: Solve for x
x = 93,422,918,753.05/352,954.08 - Step 6: Final answer
x = 264,688.59
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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.