Finding the Fourth Proportional to 397,595.68, 548,669.52 and 216,302.99
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Solution
The fourth proportional to 397,595.68, 548,669.52 and 216,302.99 is: 298,491.31
Step by Step Solution
- Step 1: Write the proportion equation
397,595.68 : 548,669.52 = 216,302.99 : x - Step 2: Convert to fraction form
397,595.68/548,669.52 = 216,302.99/x - Step 3: Cross multiply
397,595.68x = 548,669.52 × 216,302.99 - Step 4: Simplify right side
397,595.68x = 118,678,854,954.52 - Step 5: Solve for x
x = 118,678,854,954.52/397,595.68 - Step 6: Final answer
x = 298,491.31
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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.