Finding the Fourth Proportional to 352,318.41, 486,197.95 and 209,196.27
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Solution
The fourth proportional to 352,318.41, 486,197.95 and 209,196.27 is: 288,689.99
Step by Step Solution
- Step 1: Write the proportion equation
352,318.41 : 486,197.95 = 209,196.27 : x - Step 2: Convert to fraction form
352,318.41/486,197.95 = 209,196.27/x - Step 3: Cross multiply
352,318.41x = 486,197.95 × 209,196.27 - Step 4: Simplify right side
352,318.41x = 101,710,798,837.14 - Step 5: Solve for x
x = 101,710,798,837.14/352,318.41 - Step 6: Final answer
x = 288,689.99
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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.