Finding the Fourth Proportional to 188,448.17, 260,076.76 and 107,887.19
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Solution
The fourth proportional to 188,448.17, 260,076.76 and 107,887.19 is: 148,894.79
Step by Step Solution
- Step 1: Write the proportion equation
188,448.17 : 260,076.76 = 107,887.19 : x - Step 2: Convert to fraction form
188,448.17/260,076.76 = 107,887.19/x - Step 3: Cross multiply
188,448.17x = 260,076.76 × 107,887.19 - Step 4: Simplify right side
188,448.17x = 28,058,949,250.60 - Step 5: Solve for x
x = 28,058,949,250.60/188,448.17 - Step 6: Final answer
x = 148,894.79
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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.