Finding the Fourth Proportional to 194,985.81, 269,085.93 and 110,115.63
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Solution
The fourth proportional to 194,985.81, 269,085.93 and 110,115.63 is: 151,962.68
Step by Step Solution
- Step 1: Write the proportion equation
194,985.81 : 269,085.93 = 110,115.63 : x - Step 2: Convert to fraction form
194,985.81/269,085.93 = 110,115.63/x - Step 3: Cross multiply
194,985.81x = 269,085.93 × 110,115.63 - Step 4: Simplify right side
194,985.81x = 29,630,564,810.08 - Step 5: Solve for x
x = 29,630,564,810.08/194,985.81 - Step 6: Final answer
x = 151,962.68
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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.