Finding the Fourth Proportional to 165,153.36, 227,903.99 and 93,533.90
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Solution
The fourth proportional to 165,153.36, 227,903.99 and 93,533.90 is: 129,072.45
Step by Step Solution
- Step 1: Write the proportion equation
165,153.36 : 227,903.99 = 93,533.90 : x - Step 2: Convert to fraction form
165,153.36/227,903.99 = 93,533.90/x - Step 3: Cross multiply
165,153.36x = 227,903.99 × 93,533.90 - Step 4: Simplify right side
165,153.36x = 21,316,749,112.35 - Step 5: Solve for x
x = 21,316,749,112.35/165,153.36 - Step 6: Final answer
x = 129,072.45
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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.