Finding the Fourth Proportional to 156,979.93, 235,464.69 and 68,233.52
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Solution
The fourth proportional to 156,979.93, 235,464.69 and 68,233.52 is: 102,348.02
Step by Step Solution
- Step 1: Write the proportion equation
156,979.93 : 235,464.69 = 68,233.52 : x - Step 2: Convert to fraction form
156,979.93/235,464.69 = 68,233.52/x - Step 3: Cross multiply
156,979.93x = 235,464.69 × 68,233.52 - Step 4: Simplify right side
156,979.93x = 16,066,584,634.41 - Step 5: Solve for x
x = 16,066,584,634.41/156,979.93 - Step 6: Final answer
x = 102,348.02
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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.