Finding the Fourth Proportional to 352,457.95, 486,644.73 and 216,673.94
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Solution
The fourth proportional to 352,457.95, 486,644.73 and 216,673.94 is: 299,165.42
Step by Step Solution
- Step 1: Write the proportion equation
352,457.95 : 486,644.73 = 216,673.94 : x - Step 2: Convert to fraction form
352,457.95/486,644.73 = 216,673.94/x - Step 3: Cross multiply
352,457.95x = 486,644.73 × 216,673.94 - Step 4: Simplify right side
352,457.95x = 105,443,230,524.23 - Step 5: Solve for x
x = 105,443,230,524.23/352,457.95 - Step 6: Final answer
x = 299,165.42
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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.