Finding the Fourth Proportional to 211,014.24, 291,219.44 and 126,129.48
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Solution
The fourth proportional to 211,014.24, 291,219.44 and 126,129.48 is: 174,070.51
Step by Step Solution
- Step 1: Write the proportion equation
211,014.24 : 291,219.44 = 126,129.48 : x - Step 2: Convert to fraction form
211,014.24/291,219.44 = 126,129.48/x - Step 3: Cross multiply
211,014.24x = 291,219.44 × 126,129.48 - Step 4: Simplify right side
211,014.24x = 36,731,356,533.09 - Step 5: Solve for x
x = 36,731,356,533.09/211,014.24 - Step 6: Final answer
x = 174,070.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.