Finding the Fourth Proportional to 210,008.99, 314,914.97 and 76,796.09
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Solution
The fourth proportional to 210,008.99, 314,914.97 and 76,796.09 is: 115,158.11
Step by Step Solution
- Step 1: Write the proportion equation
210,008.99 : 314,914.97 = 76,796.09 : x - Step 2: Convert to fraction form
210,008.99/314,914.97 = 76,796.09/x - Step 3: Cross multiply
210,008.99x = 314,914.97 × 76,796.09 - Step 4: Simplify right side
210,008.99x = 24,184,238,378.47 - Step 5: Solve for x
x = 24,184,238,378.47/210,008.99 - Step 6: Final answer
x = 115,158.11
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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.