Finding the Fourth Proportional to 165,139.02, 227,808.48 and 97,112.68
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Solution
The fourth proportional to 165,139.02, 227,808.48 and 97,112.68 is: 133,966.47
Step by Step Solution
- Step 1: Write the proportion equation
165,139.02 : 227,808.48 = 97,112.68 : x - Step 2: Convert to fraction form
165,139.02/227,808.48 = 97,112.68/x - Step 3: Cross multiply
165,139.02x = 227,808.48 × 97,112.68 - Step 4: Simplify right side
165,139.02x = 22,123,092,019.53 - Step 5: Solve for x
x = 22,123,092,019.53/165,139.02 - Step 6: Final answer
x = 133,966.47
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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.