Finding the Fourth Proportional to 147,484.08, 203,529.24 and 80,416.08
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Solution
The fourth proportional to 147,484.08, 203,529.24 and 80,416.08 is: 110,974.85
Step by Step Solution
- Step 1: Write the proportion equation
147,484.08 : 203,529.24 = 80,416.08 : x - Step 2: Convert to fraction form
147,484.08/203,529.24 = 80,416.08/x - Step 3: Cross multiply
147,484.08x = 203,529.24 × 80,416.08 - Step 4: Simplify right side
147,484.08x = 16,367,023,646.18 - Step 5: Solve for x
x = 16,367,023,646.18/147,484.08 - Step 6: Final answer
x = 110,974.85
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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.