Finding the Fourth Proportional to 103,646.75, 155,181.43 and 52,935.99
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Solution
The fourth proportional to 103,646.75, 155,181.43 and 52,935.99 is: 79,256.54
Step by Step Solution
- Step 1: Write the proportion equation
103,646.75 : 155,181.43 = 52,935.99 : x - Step 2: Convert to fraction form
103,646.75/155,181.43 = 52,935.99/x - Step 3: Cross multiply
103,646.75x = 155,181.43 × 52,935.99 - Step 4: Simplify right side
103,646.75x = 8,214,683,276.47 - Step 5: Solve for x
x = 8,214,683,276.47/103,646.75 - Step 6: Final answer
x = 79,256.54
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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.