Finding the Fourth Proportional to 178,353.95, 246,129.23 and 97,782.74
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Solution
The fourth proportional to 178,353.95, 246,129.23 and 97,782.74 is: 134,940.62
Step by Step Solution
- Step 1: Write the proportion equation
178,353.95 : 246,129.23 = 97,782.74 : x - Step 2: Convert to fraction form
178,353.95/246,129.23 = 97,782.74/x - Step 3: Cross multiply
178,353.95x = 246,129.23 × 97,782.74 - Step 4: Simplify right side
178,353.95x = 24,067,191,824.76 - Step 5: Solve for x
x = 24,067,191,824.76/178,353.95 - Step 6: Final answer
x = 134,940.62
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1.5x scale
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.