Finding the Fourth Proportional to 459,486.64, 689,262.84 and 122,525.50
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Solution
The fourth proportional to 459,486.64, 689,262.84 and 122,525.50 is: 183,797.02
Step by Step Solution
- Step 1: Write the proportion equation
459,486.64 : 689,262.84 = 122,525.50 : x - Step 2: Convert to fraction form
459,486.64/689,262.84 = 122,525.50/x - Step 3: Cross multiply
459,486.64x = 689,262.84 × 122,525.50 - Step 4: Simplify right side
459,486.64x = 84,452,274,102.42 - Step 5: Solve for x
x = 84,452,274,102.42/459,486.64 - Step 6: Final answer
x = 183,797.02
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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.