Finding the Fourth Proportional to 313,601.26, 432,767.35 and 170,362.32
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Solution
The fourth proportional to 313,601.26, 432,767.35 and 170,362.32 is: 235,098.70
Step by Step Solution
- Step 1: Write the proportion equation
313,601.26 : 432,767.35 = 170,362.32 : x - Step 2: Convert to fraction form
313,601.26/432,767.35 = 170,362.32/x - Step 3: Cross multiply
313,601.26x = 432,767.35 × 170,362.32 - Step 4: Simplify right side
313,601.26x = 73,727,249,766.25 - Step 5: Solve for x
x = 73,727,249,766.25/313,601.26 - Step 6: Final answer
x = 235,098.70
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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.