Finding the Fourth Proportional to 153,412.08, 211,652.46 and 92,939.10
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Solution
The fourth proportional to 153,412.08, 211,652.46 and 92,939.10 is: 128,221.90
Step by Step Solution
- Step 1: Write the proportion equation
153,412.08 : 211,652.46 = 92,939.10 : x - Step 2: Convert to fraction form
153,412.08/211,652.46 = 92,939.10/x - Step 3: Cross multiply
153,412.08x = 211,652.46 × 92,939.10 - Step 4: Simplify right side
153,412.08x = 19,670,789,145.19 - Step 5: Solve for x
x = 19,670,789,145.19/153,412.08 - Step 6: Final answer
x = 128,221.90
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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.