Finding the Fourth Proportional to 210,995.60, 291,177.36 and 115,500.68
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Solution
The fourth proportional to 210,995.60, 291,177.36 and 115,500.68 is: 159,392.82
Step by Step Solution
- Step 1: Write the proportion equation
210,995.60 : 291,177.36 = 115,500.68 : x - Step 2: Convert to fraction form
210,995.60/291,177.36 = 115,500.68/x - Step 3: Cross multiply
210,995.60x = 291,177.36 × 115,500.68 - Step 4: Simplify right side
210,995.60x = 33,631,183,080.60 - Step 5: Solve for x
x = 33,631,183,080.60/210,995.60 - Step 6: Final answer
x = 159,392.82
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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.