Finding the Fourth Proportional to 364,813.20, 547,221.62 and 164,899.53
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Solution
The fourth proportional to 364,813.20, 547,221.62 and 164,899.53 is: 247,350.12
Step by Step Solution
- Step 1: Write the proportion equation
364,813.20 : 547,221.62 = 164,899.53 : x - Step 2: Convert to fraction form
364,813.20/547,221.62 = 164,899.53/x - Step 3: Cross multiply
364,813.20x = 547,221.62 × 164,899.53 - Step 4: Simplify right side
364,813.20x = 90,236,588,356.09 - Step 5: Solve for x
x = 90,236,588,356.09/364,813.20 - Step 6: Final answer
x = 247,350.12
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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.