Finding the Fourth Proportional to 165,905.49, 228,942.99 and 97,944.36
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Solution
The fourth proportional to 165,905.49, 228,942.99 and 97,944.36 is: 135,159.33
Step by Step Solution
- Step 1: Write the proportion equation
165,905.49 : 228,942.99 = 97,944.36 : x - Step 2: Convert to fraction form
165,905.49/228,942.99 = 97,944.36/x - Step 3: Cross multiply
165,905.49x = 228,942.99 × 97,944.36 - Step 4: Simplify right side
165,905.49x = 22,423,674,648.10 - Step 5: Solve for x
x = 22,423,674,648.10/165,905.49 - Step 6: Final answer
x = 135,159.33
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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.