Finding the Fourth Proportional to 368,141.36, 552,212.04 and 118,860.08
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Solution
The fourth proportional to 368,141.36, 552,212.04 and 118,860.08 is: 178,290.12
Step by Step Solution
- Step 1: Write the proportion equation
368,141.36 : 552,212.04 = 118,860.08 : x - Step 2: Convert to fraction form
368,141.36/552,212.04 = 118,860.08/x - Step 3: Cross multiply
368,141.36x = 552,212.04 × 118,860.08 - Step 4: Simplify right side
368,141.36x = 65,635,967,251.36 - Step 5: Solve for x
x = 65,635,967,251.36/368,141.36 - Step 6: Final answer
x = 178,290.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.