Finding the Fourth Proportional to 201,641.94, 278,263.69 and 110,995.99
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Solution
The fourth proportional to 201,641.94, 278,263.69 and 110,995.99 is: 153,173.26
Step by Step Solution
- Step 1: Write the proportion equation
201,641.94 : 278,263.69 = 110,995.99 : x - Step 2: Convert to fraction form
201,641.94/278,263.69 = 110,995.99/x - Step 3: Cross multiply
201,641.94x = 278,263.69 × 110,995.99 - Step 4: Simplify right side
201,641.94x = 30,886,152,779.45 - Step 5: Solve for x
x = 30,886,152,779.45/201,641.94 - Step 6: Final answer
x = 153,173.26
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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.