Finding the Fourth Proportional to 165,829.05, 228,844.95 and 94,213.08
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Solution
The fourth proportional to 165,829.05, 228,844.95 and 94,213.08 is: 130,014.54
Step by Step Solution
- Step 1: Write the proportion equation
165,829.05 : 228,844.95 = 94,213.08 : x - Step 2: Convert to fraction form
165,829.05/228,844.95 = 94,213.08/x - Step 3: Cross multiply
165,829.05x = 228,844.95 × 94,213.08 - Step 4: Simplify right side
165,829.05x = 21,560,187,581.95 - Step 5: Solve for x
x = 21,560,187,581.95/165,829.05 - Step 6: Final answer
x = 130,014.54
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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.