Finding the Fourth Proportional to 352,664.01, 486,685.98 and 207,480.03
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Solution
The fourth proportional to 352,664.01, 486,685.98 and 207,480.03 is: 286,328.12
Step by Step Solution
- Step 1: Write the proportion equation
352,664.01 : 486,685.98 = 207,480.03 : x - Step 2: Convert to fraction form
352,664.01/486,685.98 = 207,480.03/x - Step 3: Cross multiply
352,664.01x = 486,685.98 × 207,480.03 - Step 4: Simplify right side
352,664.01x = 100,977,621,730.98 - Step 5: Solve for x
x = 100,977,621,730.98/352,664.01 - Step 6: Final answer
x = 286,328.12
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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.