Finding the Fourth Proportional to 385,135.16, 577,221.53 and 185,402.12
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Solution
The fourth proportional to 385,135.16, 577,221.53 and 185,402.12 is: 277,871.52
Step by Step Solution
- Step 1: Write the proportion equation
385,135.16 : 577,221.53 = 185,402.12 : x - Step 2: Convert to fraction form
385,135.16/577,221.53 = 185,402.12/x - Step 3: Cross multiply
385,135.16x = 577,221.53 × 185,402.12 - Step 4: Simplify right side
385,135.16x = 107,018,091,558.53 - Step 5: Solve for x
x = 107,018,091,558.53/385,135.16 - Step 6: Final answer
x = 277,871.52
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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.