Finding the Fourth Proportional to 352,660.58, 486,681.24 and 207,476.60
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Solution
The fourth proportional to 352,660.58, 486,681.24 and 207,476.60 is: 286,323.38
Step by Step Solution
- Step 1: Write the proportion equation
352,660.58 : 486,681.24 = 207,476.60 : x - Step 2: Convert to fraction form
352,660.58/486,681.24 = 207,476.60/x - Step 3: Cross multiply
352,660.58x = 486,681.24 × 207,476.60 - Step 4: Simplify right side
352,660.58x = 100,974,968,958.98 - Step 5: Solve for x
x = 100,974,968,958.98/352,660.58 - Step 6: Final answer
x = 286,323.38
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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.