Finding the Fourth Proportional to 315,962.07, 435,921.19 and 179,899.79
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Solution
The fourth proportional to 315,962.07, 435,921.19 and 179,899.79 is: 248,201.09
Step by Step Solution
- Step 1: Write the proportion equation
315,962.07 : 435,921.19 = 179,899.79 : x - Step 2: Convert to fraction form
315,962.07/435,921.19 = 179,899.79/x - Step 3: Cross multiply
315,962.07x = 435,921.19 × 179,899.79 - Step 4: Simplify right side
315,962.07x = 78,422,128,920.13 - Step 5: Solve for x
x = 78,422,128,920.13/315,962.07 - Step 6: Final answer
x = 248,201.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.