Finding the Fourth Proportional to 103,677.99, 155,424.37 and 40,483.41
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Solution
The fourth proportional to 103,677.99, 155,424.37 and 40,483.41 is: 60,688.95
Step by Step Solution
- Step 1: Write the proportion equation
103,677.99 : 155,424.37 = 40,483.41 : x - Step 2: Convert to fraction form
103,677.99/155,424.37 = 40,483.41/x - Step 3: Cross multiply
103,677.99x = 155,424.37 × 40,483.41 - Step 4: Simplify right side
103,677.99x = 6,292,108,004.93 - Step 5: Solve for x
x = 6,292,108,004.93/103,677.99 - Step 6: Final answer
x = 60,688.95
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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.