Finding the Fourth Proportional to 156,445.53, 215,892.74 and 84,824.01
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Solution
The fourth proportional to 156,445.53, 215,892.74 and 84,824.01 is: 117,056.00
Step by Step Solution
- Step 1: Write the proportion equation
156,445.53 : 215,892.74 = 84,824.01 : x - Step 2: Convert to fraction form
156,445.53/215,892.74 = 84,824.01/x - Step 3: Cross multiply
156,445.53x = 215,892.74 × 84,824.01 - Step 4: Simplify right side
156,445.53x = 18,312,888,148.75 - Step 5: Solve for x
x = 18,312,888,148.75/156,445.53 - Step 6: Final answer
x = 117,056.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.