Finding the Fourth Proportional to 313,626.26, 432,813.15 and 170,395.07
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Solution
The fourth proportional to 313,626.26, 432,813.15 and 170,395.07 is: 235,150.03
Step by Step Solution
- Step 1: Write the proportion equation
313,626.26 : 432,813.15 = 170,395.07 : x - Step 2: Convert to fraction form
313,626.26/432,813.15 = 170,395.07/x - Step 3: Cross multiply
313,626.26x = 432,813.15 × 170,395.07 - Step 4: Simplify right side
313,626.26x = 73,749,224,827.10 - Step 5: Solve for x
x = 73,749,224,827.10/313,626.26 - Step 6: Final answer
x = 235,150.03
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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.