Finding the Fourth Proportional to 507,811.92, 761,824.68 and 192,261.84
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Solution
The fourth proportional to 507,811.92, 761,824.68 and 192,261.84 is: 288,433.20
Step by Step Solution
- Step 1: Write the proportion equation
507,811.92 : 761,824.68 = 192,261.84 : x - Step 2: Convert to fraction form
507,811.92/761,824.68 = 192,261.84/x - Step 3: Cross multiply
507,811.92x = 761,824.68 × 192,261.84 - Step 4: Simplify right side
507,811.92x = 146,469,814,734.21 - Step 5: Solve for x
x = 146,469,814,734.21/507,811.92 - Step 6: Final answer
x = 288,433.20
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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.