Finding the Fourth Proportional to 86,997.84, 130,492.68 and 30,837.06
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Solution
The fourth proportional to 86,997.84, 130,492.68 and 30,837.06 is: 46,254.14
Step by Step Solution
- Step 1: Write the proportion equation
86,997.84 : 130,492.68 = 30,837.06 : x - Step 2: Convert to fraction form
86,997.84/130,492.68 = 30,837.06/x - Step 3: Cross multiply
86,997.84x = 130,492.68 × 30,837.06 - Step 4: Simplify right side
86,997.84x = 4,024,010,602.72 - Step 5: Solve for x
x = 4,024,010,602.72/86,997.84 - Step 6: Final answer
x = 46,254.14
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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.