Finding the Fourth Proportional to 170,642.34, 235,439.19 and 110,215.53
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Solution
The fourth proportional to 170,642.34, 235,439.19 and 110,215.53 is: 152,066.92
Step by Step Solution
- Step 1: Write the proportion equation
170,642.34 : 235,439.19 = 110,215.53 : x - Step 2: Convert to fraction form
170,642.34/235,439.19 = 110,215.53/x - Step 3: Cross multiply
170,642.34x = 235,439.19 × 110,215.53 - Step 4: Simplify right side
170,642.34x = 25,949,055,108.62 - Step 5: Solve for x
x = 25,949,055,108.62/170,642.34 - Step 6: Final answer
x = 152,066.92
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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.