Finding the Fourth Proportional to 165,268.76, 228,070.08 and 89,817.26
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Solution
The fourth proportional to 165,268.76, 228,070.08 and 89,817.26 is: 123,947.38
Step by Step Solution
- Step 1: Write the proportion equation
165,268.76 : 228,070.08 = 89,817.26 : x - Step 2: Convert to fraction form
165,268.76/228,070.08 = 89,817.26/x - Step 3: Cross multiply
165,268.76x = 228,070.08 × 89,817.26 - Step 4: Simplify right side
165,268.76x = 20,484,628,533.23 - Step 5: Solve for x
x = 20,484,628,533.23/165,268.76 - Step 6: Final answer
x = 123,947.38
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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.