Finding the Fourth Proportional to 212,725.33, 293,560.99 and 115,929.20
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Solution
The fourth proportional to 212,725.33, 293,560.99 and 115,929.20 is: 159,982.32
Step by Step Solution
- Step 1: Write the proportion equation
212,725.33 : 293,560.99 = 115,929.20 : x - Step 2: Convert to fraction form
212,725.33/293,560.99 = 115,929.20/x - Step 3: Cross multiply
212,725.33x = 293,560.99 × 115,929.20 - Step 4: Simplify right side
212,725.33x = 34,032,291,165.99 - Step 5: Solve for x
x = 34,032,291,165.99/212,725.33 - Step 6: Final answer
x = 159,982.32
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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.