Finding the Fourth Proportional to 193,064.47, 266,270.99 and 135,893.05
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Solution
The fourth proportional to 193,064.47, 266,270.99 and 135,893.05 is: 187,421.21
Step by Step Solution
- Step 1: Write the proportion equation
193,064.47 : 266,270.99 = 135,893.05 : x - Step 2: Convert to fraction form
193,064.47/266,270.99 = 135,893.05/x - Step 3: Cross multiply
193,064.47x = 266,270.99 × 135,893.05 - Step 4: Simplify right side
193,064.47x = 36,184,375,612.48 - Step 5: Solve for x
x = 36,184,375,612.48/193,064.47 - Step 6: Final answer
x = 187,421.21
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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.