Finding the Fourth Proportional to 156,958.13, 235,486.20 and 51,850.91
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Solution
The fourth proportional to 156,958.13, 235,486.20 and 51,850.91 is: 77,792.55
Step by Step Solution
- Step 1: Write the proportion equation
156,958.13 : 235,486.20 = 51,850.91 : x - Step 2: Convert to fraction form
156,958.13/235,486.20 = 51,850.91/x - Step 3: Cross multiply
156,958.13x = 235,486.20 × 51,850.91 - Step 4: Simplify right side
156,958.13x = 12,210,173,762.44 - Step 5: Solve for x
x = 12,210,173,762.44/156,958.13 - Step 6: Final answer
x = 77,792.55
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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.