Finding the Fourth Proportional to 214,117.10, 295,459.94 and 128,058.99
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Solution
The fourth proportional to 214,117.10, 295,459.94 and 128,058.99 is: 176,708.45
Step by Step Solution
- Step 1: Write the proportion equation
214,117.10 : 295,459.94 = 128,058.99 : x - Step 2: Convert to fraction form
214,117.10/295,459.94 = 128,058.99/x - Step 3: Cross multiply
214,117.10x = 295,459.94 × 128,058.99 - Step 4: Simplify right side
214,117.10x = 37,836,300,949.44 - Step 5: Solve for x
x = 37,836,300,949.44/214,117.10 - Step 6: Final answer
x = 176,708.45
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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.