Finding the Fourth Proportional to 103,677.06, 155,422.99 and 40,482.48
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Solution
The fourth proportional to 103,677.06, 155,422.99 and 40,482.48 is: 60,687.56
Step by Step Solution
- Step 1: Write the proportion equation
103,677.06 : 155,422.99 = 40,482.48 : x - Step 2: Convert to fraction form
103,677.06/155,422.99 = 40,482.48/x - Step 3: Cross multiply
103,677.06x = 155,422.99 × 40,482.48 - Step 4: Simplify right side
103,677.06x = 6,291,908,489.94 - Step 5: Solve for x
x = 6,291,908,489.94/103,677.06 - Step 6: Final answer
x = 60,687.56
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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.