Finding the Fourth Proportional to 243,261.08, 364,889.10 and 77,049.08
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Solution
The fourth proportional to 243,261.08, 364,889.10 and 77,049.08 is: 115,572.82
Step by Step Solution
- Step 1: Write the proportion equation
243,261.08 : 364,889.10 = 77,049.08 : x - Step 2: Convert to fraction form
243,261.08/364,889.10 = 77,049.08/x - Step 3: Cross multiply
243,261.08x = 364,889.10 × 77,049.08 - Step 4: Simplify right side
243,261.08x = 28,114,369,457.03 - Step 5: Solve for x
x = 28,114,369,457.03/243,261.08 - Step 6: Final answer
x = 115,572.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.