Finding the Fourth Proportional to 306,026.12, 459,002.66 and 81,402.99
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Solution
The fourth proportional to 306,026.12, 459,002.66 and 81,402.99 is: 122,094.77
Step by Step Solution
- Step 1: Write the proportion equation
306,026.12 : 459,002.66 = 81,402.99 : x - Step 2: Convert to fraction form
306,026.12/459,002.66 = 81,402.99/x - Step 3: Cross multiply
306,026.12x = 459,002.66 × 81,402.99 - Step 4: Simplify right side
306,026.12x = 37,364,188,534.94 - Step 5: Solve for x
x = 37,364,188,534.94/306,026.12 - Step 6: Final answer
x = 122,094.77
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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.