Finding the Fourth Proportional to 156,984.62, 235,485.08 and 51,811.79
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Solution
The fourth proportional to 156,984.62, 235,485.08 and 51,811.79 is: 77,720.37
Step by Step Solution
- Step 1: Write the proportion equation
156,984.62 : 235,485.08 = 51,811.79 : x - Step 2: Convert to fraction form
156,984.62/235,485.08 = 51,811.79/x - Step 3: Cross multiply
156,984.62x = 235,485.08 × 51,811.79 - Step 4: Simplify right side
156,984.62x = 12,200,903,513.09 - Step 5: Solve for x
x = 12,200,903,513.09/156,984.62 - Step 6: Final answer
x = 77,720.37
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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.