Finding the Fourth Proportional to 455,197.60, 628,385.28 and 264,174.08
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Solution
The fourth proportional to 455,197.60, 628,385.28 and 264,174.08 is: 364,683.61
Step by Step Solution
- Step 1: Write the proportion equation
455,197.60 : 628,385.28 = 264,174.08 : x - Step 2: Convert to fraction form
455,197.60/628,385.28 = 264,174.08/x - Step 3: Cross multiply
455,197.60x = 628,385.28 × 264,174.08 - Step 4: Simplify right side
455,197.60x = 166,003,103,229.54 - Step 5: Solve for x
x = 166,003,103,229.54/455,197.60 - Step 6: Final answer
x = 364,683.61
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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.