Finding the Fourth Proportional to 193,433.91, 266,926.80 and 107,387.88
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Solution
The fourth proportional to 193,433.91, 266,926.80 and 107,387.88 is: 148,188.61
Step by Step Solution
- Step 1: Write the proportion equation
193,433.91 : 266,926.80 = 107,387.88 : x - Step 2: Convert to fraction form
193,433.91/266,926.80 = 107,387.88/x - Step 3: Cross multiply
193,433.91x = 266,926.80 × 107,387.88 - Step 4: Simplify right side
193,433.91x = 28,664,703,167.18 - Step 5: Solve for x
x = 28,664,703,167.18/193,433.91 - Step 6: Final answer
x = 148,188.61
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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.