Finding the Fourth Proportional to 192,864.98, 266,150.70 and 107,985.08
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Solution
The fourth proportional to 192,864.98, 266,150.70 and 107,985.08 is: 149,017.75
Step by Step Solution
- Step 1: Write the proportion equation
192,864.98 : 266,150.70 = 107,985.08 : x - Step 2: Convert to fraction form
192,864.98/266,150.70 = 107,985.08/x - Step 3: Cross multiply
192,864.98x = 266,150.70 × 107,985.08 - Step 4: Simplify right side
192,864.98x = 28,740,304,631.56 - Step 5: Solve for x
x = 28,740,304,631.56/192,864.98 - Step 6: Final answer
x = 149,017.75
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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.