Finding the Fourth Proportional to 210,944.68, 291,104.12 and 115,457.52
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Solution
The fourth proportional to 210,944.68, 291,104.12 and 115,457.52 is: 159,331.63
Step by Step Solution
- Step 1: Write the proportion equation
210,944.68 : 291,104.12 = 115,457.52 : x - Step 2: Convert to fraction form
210,944.68/291,104.12 = 115,457.52/x - Step 3: Cross multiply
210,944.68x = 291,104.12 × 115,457.52 - Step 4: Simplify right side
210,944.68x = 33,610,159,756.98 - Step 5: Solve for x
x = 33,610,159,756.98/210,944.68 - Step 6: Final answer
x = 159,331.63
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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.