Finding the Fourth Proportional to 192,840.08, 266,129.16 and 107,952.08
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Solution
The fourth proportional to 192,840.08, 266,129.16 and 107,952.08 is: 148,979.38
Step by Step Solution
- Step 1: Write the proportion equation
192,840.08 : 266,129.16 = 107,952.08 : x - Step 2: Convert to fraction form
192,840.08/266,129.16 = 107,952.08/x - Step 3: Cross multiply
192,840.08x = 266,129.16 × 107,952.08 - Step 4: Simplify right side
192,840.08x = 28,729,196,370.65 - Step 5: Solve for x
x = 28,729,196,370.65/192,840.08 - Step 6: Final answer
x = 148,979.38
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1.5x scale
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.