Finding the Fourth Proportional to 156,728.24, 235,132.14 and 72,549.08
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Solution
The fourth proportional to 156,728.24, 235,132.14 and 72,549.08 is: 108,842.03
Step by Step Solution
- Step 1: Write the proportion equation
156,728.24 : 235,132.14 = 72,549.08 : x - Step 2: Convert to fraction form
156,728.24/235,132.14 = 72,549.08/x - Step 3: Cross multiply
156,728.24x = 235,132.14 × 72,549.08 - Step 4: Simplify right side
156,728.24x = 17,058,620,435.43 - Step 5: Solve for x
x = 17,058,620,435.43/156,728.24 - Step 6: Final answer
x = 108,842.03
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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.