Finding the Fourth Proportional to 157,272.04, 235,711.33 and 123,860.15
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Solution
The fourth proportional to 157,272.04, 235,711.33 and 123,860.15 is: 185,635.28
Step by Step Solution
- Step 1: Write the proportion equation
157,272.04 : 235,711.33 = 123,860.15 : x - Step 2: Convert to fraction form
157,272.04/235,711.33 = 123,860.15/x - Step 3: Cross multiply
157,272.04x = 235,711.33 × 123,860.15 - Step 4: Simplify right side
157,272.04x = 29,195,239,202.29 - Step 5: Solve for x
x = 29,195,239,202.29/157,272.04 - Step 6: Final answer
x = 185,635.28
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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.