Finding the Fourth Proportional to 88,857.68, 133,280.94 and 29,688.26
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Solution
The fourth proportional to 88,857.68, 133,280.94 and 29,688.26 is: 44,530.53
Step by Step Solution
- Step 1: Write the proportion equation
88,857.68 : 133,280.94 = 29,688.26 : x - Step 2: Convert to fraction form
88,857.68/133,280.94 = 29,688.26/x - Step 3: Cross multiply
88,857.68x = 133,280.94 × 29,688.26 - Step 4: Simplify right side
88,857.68x = 3,956,879,199.76 - Step 5: Solve for x
x = 3,956,879,199.76/88,857.68 - Step 6: Final answer
x = 44,530.53
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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.