Finding the Fourth Proportional to 178,212.08, 245,932.50 and 97,644.62
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Solution
The fourth proportional to 178,212.08, 245,932.50 and 97,644.62 is: 134,749.48
Step by Step Solution
- Step 1: Write the proportion equation
178,212.08 : 245,932.50 = 97,644.62 : x - Step 2: Convert to fraction form
178,212.08/245,932.50 = 97,644.62/x - Step 3: Cross multiply
178,212.08x = 245,932.50 × 97,644.62 - Step 4: Simplify right side
178,212.08x = 24,013,985,508.15 - Step 5: Solve for x
x = 24,013,985,508.15/178,212.08 - Step 6: Final answer
x = 134,749.48
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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.