Finding the Fourth Proportional to 403,228.18, 604,941.90 and 166,638.52
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Solution
The fourth proportional to 403,228.18, 604,941.90 and 166,638.52 is: 249,998.95
Step by Step Solution
- Step 1: Write the proportion equation
403,228.18 : 604,941.90 = 166,638.52 : x - Step 2: Convert to fraction form
403,228.18/604,941.90 = 166,638.52/x - Step 3: Cross multiply
403,228.18x = 604,941.90 × 166,638.52 - Step 4: Simplify right side
403,228.18x = 100,806,622,901.99 - Step 5: Solve for x
x = 100,806,622,901.99/403,228.18 - Step 6: Final answer
x = 249,998.95
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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.