Finding the Fourth Proportional to 210,955.08, 291,118.68 and 115,467.96
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Solution
The fourth proportional to 210,955.08, 291,118.68 and 115,467.96 is: 159,346.15
Step by Step Solution
- Step 1: Write the proportion equation
210,955.08 : 291,118.68 = 115,467.96 : x - Step 2: Convert to fraction form
210,955.08/291,118.68 = 115,467.96/x - Step 3: Cross multiply
210,955.08x = 291,118.68 × 115,467.96 - Step 4: Simplify right side
210,955.08x = 33,614,880,097.49 - Step 5: Solve for x
x = 33,614,880,097.49/210,955.08 - Step 6: Final answer
x = 159,346.15
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1.5x scale
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.