Finding the Fourth Proportional to 165,698.98, 228,694.36 and 97,711.88
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Solution
The fourth proportional to 165,698.98, 228,694.36 and 97,711.88 is: 134,859.95
Step by Step Solution
- Step 1: Write the proportion equation
165,698.98 : 228,694.36 = 97,711.88 : x - Step 2: Convert to fraction form
165,698.98/228,694.36 = 97,711.88/x - Step 3: Cross multiply
165,698.98x = 228,694.36 × 97,711.88 - Step 4: Simplify right side
165,698.98x = 22,346,155,861.00 - Step 5: Solve for x
x = 22,346,155,861.00/165,698.98 - Step 6: Final answer
x = 134,859.95
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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.