Finding the Fourth Proportional to 178,913.53, 268,403.10 and 73,675.09
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Solution
The fourth proportional to 178,913.53, 268,403.10 and 73,675.09 is: 110,526.14
Step by Step Solution
- Step 1: Write the proportion equation
178,913.53 : 268,403.10 = 73,675.09 : x - Step 2: Convert to fraction form
178,913.53/268,403.10 = 73,675.09/x - Step 3: Cross multiply
178,913.53x = 268,403.10 × 73,675.09 - Step 4: Simplify right side
178,913.53x = 19,774,622,548.78 - Step 5: Solve for x
x = 19,774,622,548.78/178,913.53 - Step 6: Final answer
x = 110,526.14
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1.5x scale
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.