Finding the Fourth Proportional to 170,628.32, 235,340.16 and 125,292.08
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Solution
The fourth proportional to 170,628.32, 235,340.16 and 125,292.08 is: 172,809.87
Step by Step Solution
- Step 1: Write the proportion equation
170,628.32 : 235,340.16 = 125,292.08 : x - Step 2: Convert to fraction form
170,628.32/235,340.16 = 125,292.08/x - Step 3: Cross multiply
170,628.32x = 235,340.16 × 125,292.08 - Step 4: Simplify right side
170,628.32x = 29,486,258,153.93 - Step 5: Solve for x
x = 29,486,258,153.93/170,628.32 - Step 6: Final answer
x = 172,809.87
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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.