Finding the Fourth Proportional to 102,792.17, 154,246.58 and 40,506.41
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Solution
The fourth proportional to 102,792.17, 154,246.58 and 40,506.41 is: 60,782.60
Step by Step Solution
- Step 1: Write the proportion equation
102,792.17 : 154,246.58 = 40,506.41 : x - Step 2: Convert to fraction form
102,792.17/154,246.58 = 40,506.41/x - Step 3: Cross multiply
102,792.17x = 154,246.58 × 40,506.41 - Step 4: Simplify right side
102,792.17x = 6,247,975,008.05 - Step 5: Solve for x
x = 6,247,975,008.05/102,792.17 - Step 6: Final answer
x = 60,782.60
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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.