Finding the Fourth Proportional to 199,559.84, 275,395.12 and 117,890.76
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Solution
The fourth proportional to 199,559.84, 275,395.12 and 117,890.76 is: 162,690.75
Step by Step Solution
- Step 1: Write the proportion equation
199,559.84 : 275,395.12 = 117,890.76 : x - Step 2: Convert to fraction form
199,559.84/275,395.12 = 117,890.76/x - Step 3: Cross multiply
199,559.84x = 275,395.12 × 117,890.76 - Step 4: Simplify right side
199,559.84x = 32,466,539,997.09 - Step 5: Solve for x
x = 32,466,539,997.09/199,559.84 - Step 6: Final answer
x = 162,690.75
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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.